Lithium Difluorophosphate(LiPO₂F₂) has a wide range of applications in the field of batteries, especially in the electrolyte of lithium-ion secondary batteries, it can form a thin film at the electrode interface, thereby improving the high-temperature cycling performance of batteries, reducing the self-discharge of batteries, and effectively reducing the use of lithium hexafluorophosphate. In addition, Lithium Difluorophosphate(LiPO₂F₂) can improve the low-temperature output properties of batteries, inhibit the decomposition of the positive surface during high-temperature cycling, prevent the oxidation reaction of the electrolyte, thereby improving the output properties and dissolution properties of batteries after high-temperature storage.
Applications of Lithium Difluorophosphate(LiPO₂F₂)
As an important inorganic salt, Lithium Difluorophosphate(LiPO₂F₂) has a wide range of applications in many fields. Among them, the new energy field is the largest application market for Lithium Difluorophosphate(LiPO₂F₂), especially in the field of lithium-ion batteries. With the popularity of electric vehicles, energy storage systems and portable electronics, the demand for lithium-ion batteries has shown explosive growth, which has driven the growth of the Lithium Difluorophosphate (LiPO₂F₂) market.
In addition, Lithium Difluorophosphate(LiPO₂F₂) also has a wide range of applications in electronics, medicine, pesticides and other fields. In the electronics field, Lithium Difluorophosphate(LiPO₂F₂) can be used to manufacture electronic components such as electronic ceramics, capacitors, semiconductors, etc. In the pharmaceutical field, Lithium Difluorophosphate(LiPO₂F₂) can be used to synthesize antiviral drugs, anti-tumor drugs, etc. In the pesticide field, Lithium Difluorophosphate(LiPO₂F₂) can be used as an intermediate for pesticides, for synthetic pesticides, herbicides, etc.
Application of Lithium Difluorophosphate(LiPO₂F₂) in lithium-ion batteries
Lithium salts are the most common electrolyte additives. Because the lithium ions in lithium salts are involved in the construction of the interface mask, the interface mask formed by the salt additives usually has lithium ion conductivity, which can reduce the interface impedance. In addition to Lithium Difluorophosphate(LiPO₂F₂), there are many lithium salt products that can be us ed to build low impedance interface masks, such as lithium tetrafluorophosphate, lithium tetrafluorophosphate borate, Lithium Difluorophosphate(LiPO₂F₂), etc. Compared to these lithium salts, Lithium Difluorophosphate(LiPO₂F₂) has the best effect, so it is widely used in practice.
The application effect of Lithium Difluorophosphate(LiPO₂F₂) in lithium-ion batteries is mainly:
① Improve the cyclic stability of the battery through the membrane formation of the graphite negative pole interface.
Lithium Difluorophosphate(LiPO₂F₂) can build a stable solid electrolyte interface mask on the graphite negative, to solve the problem of high-load graphite negative amplification performance and poor cycle stability; inhibit the side reaction between the electrode and the electrolyte, improve the cycle life of the battery; reduce the impedance of the battery interface during different charging states and long cycles.
② Improve the properties of the positive polar mask and have a promotional effect on the positive polar performance.
Lithium Difluorophosphate(LiPO₂F₂) can also generate a stable interface membrane on the positive pole surface, effectively inhibiting the oxidative breakdown of the electrolyte and protecting the integrity of the electrode structure.
With the growing global focus on clean energy and environmentally friendly materials, Lithium Difluorophosphate(LiPO₂F₂) as an important inorganic salt will be more widely used in the new energy field. It is expected that the demand for Lithium Difluorophosphate(LiPO₂F₂) will continue to grow in the coming years with the rapid development of markets such as electric vehicles, energy storage systems and so on.
At the same time, with the advancement of science and technology and the improvement of people's requirements for quality of life, the application of Lithium Difluorophosphate(LiPO₂F₂) in electronics, medicine, pesticides and other fields will continue to expand. Especially in the electronics field, with the rapid development of technologies such as 5G, the Internet of Things, artificial intelligence, the demand for electronic components will increase significantly, thereby promoting the development of the Lithium Difluorophosphate(LiPO₂F₂) market.
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