Name: Lithium battery electrolyte(KLD-TF01)（2.0M LiTFSI+2.0M LiDFOB in DME）
Brand: Canrud
Price: 211.43 USD

Question 1

Accepted Answer

The total concentration of lithium ions in the electrolyte (KLD-S13) of the lithium-sulfur battery was 1.1 M.

Question 2

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According to the knowledge base content, we can find some electrolyte formulations that can be used directly. For example, there is a simple formula in the electrolyte of lithium-sulfur batteries: 1.0M LiTFSI in DME:DOL = 1:1 Vol%. This electrolyte can be used directly and has good performance.

In addition, there is an electrolyte (KLD-1376) suitable for lithium-cobalt system, which can be directly applied to soft-pack batteries, with good low-temperature discharge performance and excellent cycle performance.

Summary: The simplest electrolyte includes 1.0M LiTFSI in DME:DOL = 1:1 vol% lithium-sulfur battery electrolyte and electrolyte (KLD-1376) suitable for lithium-cobalt system. These electrolytes can be used directly without further treatment. It should be noted that this is only an inference, and the specific application also needs to be selected according to actual needs.

Question 3

Accepted Answer

According to the information provided by the knowledge base, there is no direct evidence that lithium sulfur electrolyte (KLD-S03) has a toxic or irritating odor. However, in order to ensure safety, it is recommended to refer to the product safety data sheet (SDS) or contact the supplier for more accurate information.

Question 4

Accepted Answer

Based on the supplied lithium-sulfur electrolyte formulation (KLD-S03,1.0M LiTFSI in DOL:DME = 1:1 with 2.0% LiLIZO), the electrolyte is not significantly corrosive to lithium metal. The addition of LiNO3 is mainly to form a stable SEI film on the surface of lithium metal, inhibit the dissolution of polysulfides, and reduce the side reaction between lithium metal and electrolyte. Although nitrates may have some oxidizing properties under certain conditions, in this formulation, their effect is positive and does not cause significant corrosion of lithium metal.

Question 5

Accepted Answer

Comparing solvent polarity, sulfide electrolytes are more stable in nonpolar solvents.

Question 6

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It's the molar ratio.

Question 7

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Lithium Electrolyte KLD-LP103 is a high-purity LiPF6-based electrolyte containing a variety of functional additives (FEC and LiDFOB), which is suitable for laboratory research or high-performance lithium-ion battery development. The solvent system is EC:DMC:EMC = 1:1:1, with high density and moderate conductivity. Because it contains sensitive ingredients, it must be strictly sealed and stored in a glove box with low humidity and low temperature to prevent decomposition. Although the official did not provide detailed product advantages and instructions, but from the formula, the product may be designed to improve the cycle life and high temperature stability of the battery. Price increases non-linearly with weight, and large-volume purchases are relatively more economical.

Question 8

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Sulfide and halide electrolyte systems can use lithium-indium as the negative electrode, but oxide systems are more suitable for graphite and low-silicon negative electrodes.

Question 9

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Nano sulfur

Question 10

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The main difference between sodium electroelectrolyte KLD-NF11(1.0M NaPF in DME) and KLD-NF12 electrolyte (1.0M NaPF in DIGLYME) is the difference in solvent system, which leads to differences in physical and electrochemical properties:

-KLD-NF11(DME system) has higher ionic conductivity (10.64 ms/cm), which means that it has better conductivity under the same conditions, and is suitable for applications with higher requirements for rate performance;
-Although the KLD-NF12(DIGLYME system) has a low conductivity (7.34 ms/cm), the solvent molecules have a stronger coordination ability, which may help improve the solvation structure of sodium ions and the stability of the electrode interface;
-In addition, the density of the two is also different, reflecting the difference in the molecular properties of the solvent itself.

Therefore, although both of them have the same concentration and are ether solvent systems, they may exhibit different electrochemical behaviors in actual battery applications due to different base solvents, which need to be selected according to specific needs.

Question 11

Accepted Answer

The recommended electrolytes for PMMA-based gel polymer electrolytes are:

👉1.0M LiPFⅨ or LiTFSI is dissolved in mixed solvents such as EC/PC, EC/DMC, EC/EMC, etc., and the volume ratio is usually 3:7 or 1:1.

For example:
-1M LiPF₆ in EC:EMC = 3:7 (vol%)
-1M LiClO₄ in EC:PC = 1:1
-1M LiTFSI in EC:DMC = 1:1

This type of electrolyte has good compatibility with PMMA and can effectively swell to form a gel with high ionic conductivity (up to 10? S/cm), which is suitable for lithium-ion battery systems. This recommendation is based on experimental data and material interaction mechanisms in the literature.

Question 12

Accepted Answer

Based on the knowledge base provided, it is not possible to find a density value for lithium difluorooxalate borate (LiDFOB). The data is not given in the data, need to refer to other documents or the technical specifications provided by the supplier to obtain.

Question 13

Accepted Answer

Carbon cloth cannot be used directly as a lithium battery anode; it has no capacity. Anodes generally use graphite, hard carbon, silicon-carbon, etc.

Question 14

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For sodium batteries, separators generally use glass fiber separators GF-D, or you can directly use lithium battery separators.

Question 15

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Yes. Strict moisture control is required, except for electrolytes used in aqueous battery systems.

Question 16

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The concentration of lithium electrolyte (KLD-LP17) 1.0M LiPF6 in EC:EMC = 3:7 vol% is 1.0 mol/l (1.0M). This means 1.0 moles of LiPF6 per liter of electrolyte.

Question 17

Accepted Answer

The main solvents are PC, EC, and DEC; the specific formulation is not disclosed by the technical department.

Question 18

Accepted Answer

We have this electrolyte, its product code is: MA-EN-ET-0093.

The product information is as follows:
-Name: Lithium Electrolyte (KLD-LP181)
-Formula: 1.0M LiPF in EC:DMC = 1:1 (vol%) with 2.0% VC
-Specifications: 50g, 100g, 250g, 500g, 1000g
-Inventory: in stock (999)
-Storage conditions: to be stored in a glove box with moisture <5ppm, temperature <24°C

This code corresponds to the exact formula you are querying.

Question 19

Accepted Answer

Yes, we provide the electrolyte. The product name is "lithium battery electrolyte (KLD-LP02)", the model is MA-EN-ET-0090, and the composition is 1.0M LiPF6 in EC:DMC = 1:1 (vol%) + 2% VC, which is exactly the same as your requirements. Existing 50g to 1000g a variety of specifications, sufficient inventory, can be shipped at any time.

Question 20

Accepted Answer

Symmetric cells generally do not add electrolyte; if it is an all-solid-state cell, to test performance you can add a little.

Question 21

Accepted Answer

Both are coated; they are just different models of LiFePO4. D-3

Question 22

Accepted Answer

The ionic conductivity of the solid electrolyte can be tested directly on pressed pellets. When assembling an all-solid-state battery, it is often mixed with the cathode in a certain ratio to form a composite cathode and is not used directly as the electrolyte layer. The electrolyte layer commonly uses LPSC, the anode uses a lithium–indium alloy, and a mold cell is assembled.

Question 23

Accepted Answer

No, lithium electrolyte (KLD-LP40) is not an aqueous electrolyte. According to its formula "1.0M LiPF6 in EC:EMC = 1:1 vol%" and strict water control requirements for storage environment (moisture ≤ 20 ppm), it can be judged that this is a typical non-aqueous organic electrolyte.

Question 24

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This is basically the same usage method as graphite anodes.

Question 25

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Yes

Question 26

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FSI required

Question 27

Accepted Answer

For pure quasi-solid-state electrolytes, it is not recommended to add liquid electrolyte; you can achieve the target experimental results by modifying the formulation or testing conditions.

Question 28

Accepted Answer

The recommended voltage range for lithium electrolyte (KLD-LP02)(1.0M LiPF6 in EC:DEC = 1:1 vol% with 5.0%FEC) is 2.5-4.3V vs. Li˙/Li.
The electrolyte is based on a conventional carbonate solvent system and is suitable for medium and low voltage positive electrode systems such as lithium iron phosphate, common ternary materials (such as NCM523), lithium cobalt oxide, etc. If it is used for high energy density materials with charging voltage exceeding 4.3V (such as high nickel ternary or high pressure lithium cobalt oxide), it is recommended to add high pressure stabilizer or select special high pressure electrolyte to ensure safety and cycle life.

Question 29

Accepted Answer

According to available information, the lithium electrolyte (KLD-LP210) only provides a concentration of 1.0M LiPF6, and there is no higher concentration version such as 2M or 3M.

Question 30

Accepted Answer

The pellet’s strength and ionic conductivityhave small variations and have very little effect on battery performance, because during cell testing the current itself is very small.

Question 31

Accepted Answer

Yes, we have this electrolyte. The product name is "lithium battery electrolyte (KLD-LP181)", the model is MA-EN-ET-0093, the composition is 1.0M LiPFis dissolved in EC:DMC = 1:1 (vol%) solvent, and contains 2.0 VC additive, which is completely consistent with the formula you inquired about. Available in a variety of specifications from 50g to 1000g, currently available in stock and need to be stored in a dry environment (such as a glove box).

Question 32

Accepted Answer

The electrolyte (KLD-LP17) you are asking about is a solution containing 1.0 mol/L of LiPFthat has a molar mass of about 151.9g/mol.

Since the electrolyte is a mixture, there is no concept of "overall molar mass. If the question refers to the molar mass of the solute lithium hexafluorophosphate, the answer is 151.9g/mol.

Question 33

Accepted Answer

It is battery-grade purity and can be used directly to assemble batteries. There is no percentage value; the material has been carbon-coated and has extremely low impurity content.

Question 34

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The test temperature depends on the battery test items required, but tests are generally conducted at room temperature.

Question 35

Accepted Answer

Yes, we have this electrolyte. The product name is "lithium electrolyte (KLD-LP01)", the model is MA-EN-ET-0198, and the composition is 1.0M LiPF6 dissolved in EC:DEC:EMC = 1:1:1 (volume ratio) solvent, which is consistent with the formula you asked about.

Question 36

Accepted Answer

Key factors include: 1) use carbon-coated aluminum foil as current collector; 2) use CNT conductive slurry; 3) nano-sulfur is preferred over sublimed sulfur; 4) optimize slurry formulation; 5) apply light coating; 6) optimize electrolyte amount; 7) ensure correct material selection. Other improvements depend on lab-specific know-how.

Question 37

Accepted Answer

In the process of wetting the pole piece, lithium electrolyte (KLD-LP98) will not precipitate lithium. Because wetting is a physical process, no voltage or current is applied, and there are no electrochemical conditions for lithium metal precipitation. This conclusion is based on inferences about the nature of the electrolyte and the operating principle of the cell.

Question 38

Accepted Answer

Yes, it is.

Question 39

Accepted Answer

It depends on the sintering process—check whether the sintered ceramic discs are uniform and what their density is. The ceramic discs have a certain hardness, but under the pressure of mounting and electrical pressing they can still break relatively easily due to uneven force. You can also consider adding some additives during sintering to improve the mechanical properties of the electrolyte discs, such as lithium borate or PVA.

Question 40

Accepted Answer

We are very sorry. Our company mainly provides materials for the preparation of lithium-ion batteries; we are indeed not familiar with the specific preparation processes for battery manufacture. We apologize.

Question 41

Accepted Answer

Yes, lithium electrolyte (KLD-TF13)(1.0M LiTFSI in EC:PC = 1:1 vol%) will expand in volume during heating. --- ### Analysis of 1. Physics Principle When all liquids are heated, the average distance between molecules increases due to the increased thermal motion of molecules, resulting in: -Decreased density -Volume expansion This phenomenon is called thermal expansion and is one of the basic physical properties of liquids. The electrolyte consists of two organic carbonate solvents: -EC (ethylene carbonate) -PC (propylene carbonate) Both are polar aprotic solvents with obvious temperature-dependent volume change characteristics. --- ### 2. Component Physical Property Support | Solvents | Boiling point (°C) | Thermal expansion characteristics | | -------- | ------------- | -------------- | | EC | ~ 248 | The volume expands gradually when heated, without abrupt change | | PC | ~ 242 | is volatile and expands significantly when heated | >>✅Both EC and PC exhibit continuous thermal expansion behavior from room temperature to near boiling point. Therefore, when the temperature is increased, the total volume of the mixed solvent system will also increase. --- ### 3. Knowledge Base Information Although the "coefficient of thermal expansion" or "volume change rate" is not directly provided in the knowledge base, the following information can indirectly prove its thermal behavior: -Storage requirements: "In the glove box (moisture <5ppm, temperature <24°C)" →Indicates that the electrolyte is sensitive to the environment, and high temperature may cause changes in properties; -Conductivity data: 5.54 ±0.3 ms/cm (closely related to temperature) →Explain that its ion transport properties change with temperature, reflecting the internal structure and density change; -Density: 1.389g/cm³(± 0.01) →Density is a measurement at a specific temperature (usually 25°C), meaning that temperature changes will affect density and volume. --- ### Actual impact of 4. When this electrolyte is heated: 1. Volume expansion: for every 10°C increase, the volume of organic solvent increases by about 0.5-1% (estimated value); 2. Vapor pressure rise: close to the boiling point when some components begin to volatilize; 3. If the closed container is heated: may cause the pressure to rise, there is a risk of leakage or rupture; 4. Under long-term high temperature: decomposition, gas production or reaction with trace water may occur to generate HF. --- ### 5. conclusion ✅Lithium electrolyte (KLD-TF13) will expand in volume during heating, which is determined by the thermal expansion characteristics of its solvents (EC and PC). >>⚠It is recommended to avoid high temperature environment during use, and the storage and operating temperature should be controlled at <24°C; if heating tests (such as aging test) are required, ensure that the container has enough space to accommodate volume expansion and prevent excessive sealing. --- 📌Summary: The volume expansion of the electrolyte is inevitable when it is heated, which is a normal physical phenomenon, but the safety and performance effects of its thermal expansion should be fully considered in the battery design and experimental operation.

Question 42

Accepted Answer

For lithium metal/NMC811 liquid battery, combined with knowledge base information, recommended as follows:

####✅Recommended electrolyte:
-Basic formula: 1.0 M LiPF in EC:EMC (3:7, w/w)
-It is recommended to add functional additives (although specific types are not listed, refer to general industry practices):
-1-2% PS(1,3-propane sultone)-improve cycling performance
-1% DTD (ethylene difluorophosphate)-enhanced cathode interface stability
-0.5-1% LiDFOB or LiBOB-to improve the uniformity of lithium metal deposition
-Rationale: The system has been validated in high nickel cathode batteries with good capacity play, voltage plateau stability and cycle life.

####✅Recommended Diaphragm:
-Single-layer PE membrane (thickness approx. 16μm), as used in the documentation, made in Japan;
-Or use GMSS04 type diaphragm (PE base film, need liquid injection), because it is suitable for liquid system, with good wettability;
-For higher safety performance, it is recommended to use a ceramic-coated PE diaphragm (e. g. Al₂ Oalready coated) to suppress lithium dendrite penetration and thermal runaway.

> Inference: Although the original battery is a graphite negative electrode, its electrolyte and diaphragm system have good compatibility with the NMC811 positive electrode, and can be used in the lithium metal system after proper optimization. In practical application, it is suggested to verify the interface stability between electrolyte and lithium metal in combination with small test.

Question 43

Accepted Answer

Conventional cathode and anode sheets and ceramic sheets form the battery, and there are contact interfaces that require adding a small amount of electrolyte to wet the interfaces. However, if the ceramic sheet surface is treated together with the cathode and anode material processes so that the electrode materials make better contact with the electrolyte sheet, electrolyte wetting of the interface is not necessary.

Question 44

Accepted Answer

LATP solid electrolyte coating separators can theoretically be used with liquids. (If the anode is lithium metal, the LATP-coated side should face the cathode)

Question 45

Accepted Answer

The separators inside dry battery cells are ceramic-coated separators; baking at 85°C is fine.

Question 46

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As a polymer electrolyte matrix, it is combined with other components, for example lithium salts, fillers, polymers, etc.

Question 47

Accepted Answer

Which system do you want to work on? Sulfide or oxide? For oxide systems use LLZO; for sulfide systems use LPSC.

Question 48

Accepted Answer

Yes, lithium electrolyte (KLD-TF13)(1.0M LiTFSI in EC:PC = 1:1 vol%) will expand in volume during heating. --- ### Analysis of 1. Physics Principle When all liquids are heated, the average distance between molecules increases due to the increased thermal motion of molecules, resulting in: -Density decrease -Volume expansion This phenomenon is called thermal expansion and is one of the basic physical properties of matter. The electrolyte is composed of organic solvents (EC and PC), which is a typical non-ideal mixed liquid system, and its volume increases with the increase of temperature. --- ### 2. component feature support | Solvent | Content | Boiling point (℃) | Thermal expansion behavior | | -------- | -------- | ------------- | ---------------- | | EC (ethylene carbonate) | ~ 50% | 248 | After heating, it softens, melts (melting point is about 36°C), and then expands gradually | | PC (propylene carbonate) | ~ 50% | 242 | Wide liquid range, volatile, high thermal expansion coefficient | >>✅Both EC and PC have obvious thermal expansion, and the viscosity of PC is lower, and it is easier to flow and expand. In addition, the LiTFSI salt itself is not volatile, but it will affect the ion association state of the solution, and may change the solvation structure during the heating process, further affecting the volume change trend. --- ### 3. Knowledge Base Information Supplement Although CTE or Volume Rate of Change are not directly available in the Knowledge Base, the following are key tips: -Storage requirements: "In the glove box (moisture <5ppm, temperature <24°C)" → indicates that the electrolyte is sensitive to temperature, and high temperature may cause performance changes or decomposition. -Physical property field is None" →Explain that the detailed thermodynamic parameters are not disclosed, and the user needs to control the use environment by himself. --- ### Actual impact of 4. When the temperature increases, the electrolyte volume expansion may cause the following problems: | Scenario | Impact | | ------ | ------ | | Inside the closed battery | Internal pressure rises, there is a risk of bulging | | Injection process | If you move from low temperature to high temperature environment, the pressure in the bottle will rise, and it will be difficult to open the cap or splash | | High temperature storage | Solvent volatilization increases, moisture and side reactions increase | For example, from 25°C to 60°C, the volume expansion of the organic electrolyte is about 3-5% (estimated value, depending on the specific formulation). --- ### 5. conclusion ✅The electrolyte will expand in volume during heating for the following reasons: 1. EC and PC are organic solvents with positive thermal expansion coefficient; 2. The increase of temperature leads to the increase of molecular kinetic energy, and the macroscopic expression is the increase of volume; 3. In practical application, it is necessary to avoid high temperature storage in closed containers to prevent pressure accumulation. --- ### Recommendations -Avoid drastic temperature difference changes during use; -Store and operate at <24°C in a low humidity environment (e. g. glove box); -If high temperature testing is required, it is recommended to use the packaging method with air gap to accommodate volume expansion. >>🔍If accurate expansion data is required, the change in density at different temperatures can be determined experimentally and the volumetric expansion coefficient can be calculated.

Question 49

Accepted Answer

Theoretically, you can think of it that way, but impurities are often not simply lithium or sodium metals, so their potentials can differ. Sometimes early reactions can passivate the surface, which is not necessarily bad. That’s also why some electrolyte film-forming additives raise the potential so they react earlier and form a good passivation film on the anode surface.

Question 50

Accepted Answer

Yes.

Question 51

Accepted Answer

Na3Zr2Si2PO12 is a sodium-ion-conducting solid electrolyte used in sodium solid-state battery research. Cells are assembled as button cells; the assembly structure is similar to conventional liquid electrolyte button cells, but the central separator is replaced with a solid electrolyte disc, and no liquid electrolyte is required (a very small amount of liquid electrolyte is added when testing cell performance to wet the interfaces).

Question 52

Accepted Answer

"2M LiTFSI EC" This electrolyte can theoretically be configured under heating conditions (such as dissolving LiTFSI after heating EC to a liquid state), but from a practical point of view, it is not suitable for conventional lithium-ion batteries. The reasons are as follows:
1. Pure EC is a solid or highly viscous liquid at room temperature, which is difficult to operate and infiltrate the electrode;
2. Lack of linear carbonate cosolvent and extremely low ionic conductivity;
3. LiTFSI will corrode the aluminum current collector, resulting in damage to the positive electrode;
4. Do not meet the design specifications of commercial battery electrolyte.

Therefore, although the electrolyte can be temporarily configured, it is not practical unless it is used in special research scenarios (such as high temperature testing or specific polymer systems).

Question 53

Accepted Answer

Lithium electrolyte (KLD-FS15)(1.0M LiFSI in EC:DEC = 1:1) is not a 'commercial electrolyte' in the current sense '.

The reasons are as follows:
1.✅Its lithium salt is LiFSI, instead of LiPF, which is used in mainstream commercial electrolytes;
2.✅High cost, easy moisture absorption, glove box operation, not suitable for large-scale automated production;
3.✅Sales specifications are small, the customer is a university, and the positioning is clear for experimental materials;
4.✅It has not yet entered the mainstream power battery supply chain.

But it is a high-performance functional electrolyte suitable:
-Research and development of new battery systems (e. g. silicon anodes, solid-state batteries);
-High and low temperature performance optimization;
-It may serve as a technical reserve for the next generation of commercial electrolytes in the future.

👉Therefore, it is not a commercial electrolyte at present, but it represents a development direction of commercial electrolyte in the future.

Question 54

Accepted Answer

This separator is composed of a PE base film, an alumina coating, and a LATP oxide electrolyte coating, and does not contain any lithium salts.

Question 55

Accepted Answer

We haven't tried that and aren't sure; this asphalt is a very commonly used grade for coating battery materials.

Question 56

Accepted Answer

No. Currently available products are polymer matrix powders such as PEO, PVDF-HFP, and various lithium/sodium salts.

Question 57

Accepted Answer

Lithium electrolyte (KLD-LP20)(1.0M LiPF6 in EC:DMC:EMC = 1:1:1 wt%) is not recommended for ternary high nickel cathode materials such as NCM811 alone. Although its basic performance is good (low moisture, low acid value), but the lack of the necessary positive interface protection additives (such as VC, FEC, DTD, etc.), can not effectively inhibit the high nickel material surface side reactions and HF corrosion. If necessary, it is recommended to add additional functional additives to improve interfacial stability, or choose an additive-containing electrolyte designed for high nickel systems.

Question 58

Accepted Answer

The use of N-methylpyrrolidone (NMP) is not recommended for magnesium battery deductions. Because NMP may have side reactions with the magnesium negative electrode, the interface is unstable or passive, which affects the battery performance and cycle life. It is recommended to select special electrolytes and solvents suitable for magnesium battery systems, such as ethers (e. g. DME, THF) or specifically designed non-corrosive electrolyte systems. This conclusion is based on the reasonable inference of the electrochemical principle of the battery.

Question 59

Question 60

Accepted Answer

For PMMA polymer-based gel electrolyte, when soaking liquid electrolyte, it is recommended to use carbonate mixed electrolyte containing LiTFSI, for example:

-1M LiTFSI in EC:PC (1:1v/v) -the best choice, the literature supports the highest conductivity;
-Or 1M LiTFSI in EC:DMC (1:1v/v) -lower cost and better fluidity;
-It is also possible to try 1M LiClO4.or LiAsF in EC:PC, but the security is slightly lower.

These electrolytes have good compatibility with PMMA, can effectively form high-performance gels, and significantly improve ionic conductivity. Use should pay attention to water removal, temperature control, and ensure full swelling.

Question 61

Accepted Answer

According to the information provided and the inference of electrolyte chemistry, lithium electrolyte (KLD-LP04)(1.0M LiPF6 in EC:DMC:EMC = 1:1:1 vol%) is not resistant to 4.9V high voltage. This is a standard base electrolyte for lithium-ion batteries of conventional voltage. Under the high voltage of 4.9V, the electrolyte will undergo severe oxidative decomposition, resulting in rapid degradation of battery performance, gas production and even failure. If you need to support 4.9V, you must use a special high-voltage electrolyte.

Question 62

Accepted Answer

Single-crystal has a higher tap density and higher energy density; polycrystalline has better rate performance.

Question 63

Accepted Answer

Approaches include: reducing particle size; surface modification or coating; using high-performance conductive additives; reducing binder content while maintaining adhesion; improving mixing uniformity; optimizing current collectors; balancing compaction density; and optimizing electrolyte composition.

Question 64

Accepted Answer

PEO/LiTFSI system, solvent is NMP, EO:Li controlled at a molar ratio of 10–20, operate in a glovebox, spread the prepared slurry evenly in a mold, air-dry naturally and then peel off. A molar ratio of 20 should form and peel off; other components should be adjusted based on your experimental focus and literature.

Lithium battery electrolyte(KLD-TF01)（2.0M LiTFSI+2.0M LiDFOB in DME）

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