The generation of lithium in lithium battery can cause short-circuit state inside the lithium battery, which may result in existence of safety hazards, and formulate the formation and development of branches R in the electrode process by optimizing the electrolyte composition. For example, the organic liquid electrolyte using lmol / l L.Ia.f6 / 1.3-oxyneane "doi.) Can obtain a lithium secondary battery or more of the cycle life. In 1972, Exxon is committed to developing TIS: Positive electrode, metal lithium as a negative electrode and L Cool / 1. L.ic LO4 / UOI. Organic liquid electrolyte lithium secondary batteries. However, practice demonstrates that it is almost impossible to eliminate the growth problem of lithium lithium from roots. At the same time. It is committed to eliminating the resolution of a different currency pathway formed by the lithium battery electrochemical cycle. The study found that alkali metal ions can reversely embedded and out of the character of many inorganic compounds under certain potential conditions. These inorganic materials are so-called host materials. Most of the transition metal oxides or sulfides, IWI structures are stable and have special layered or tunnel structures. Via electron loss. The object element (such as visual R) can be embedded or taken out of the lattice of the host material. The resulting compound is referred to as a clad compound.
The content of lithium embedded in the graphite exceeds the range iteps, so redundant lithium ions will be combined with electron-coupled electrons to the negative electrode surface, and deposits on the surface of the negative electrode. For the formation of lithium derinses, a necessary condition is that the surface of the negative electrode is not flat, so it will provide a production and convenient formation to the formation of lithium delegels. At this time, the lithium is deposited in the contact portion of the diaphragm and the negative electrode. However, the direction of growth is along the direction of the negative electrode → the diaphragm, so the place where the reaction occurs is on the interface of the negative electrode and the electrolyte. The formation and development of branches R in the electrode process can be suppressed to a certain extent by optimizing the electrolyte composition. For example, the organic liquid electrolyte using lmol / l L.Ia.f6 / 1.3-oxyfunane "Doi.) Can obtain a lithium secondary battery or more of the cycle life, and the study found. Alkali metal ions can be in a certain potential Inverse embedding and out of many inorganic compounds under conditions. These inorganic materials are so-called host materials, mostly transition metal oxides or sulfides, IWI structure stabilize and have special layers or tunnel structures. Via electron loss. The object element (such as visual R) can be embedded or taken out of the lattice of the host material. The resulting compound is referred to as a clad compound.
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