Secondary battery electrode, and method for producing same
摘要
說(shuō)明書(shū)
When the active material bulk which is a sintered body produced, the electrode active material of the raw material may be a positive electrode active material or negative electrode active material. As an example, when the active material bulk which is a sintered body is intended to be produced, the electrode active material of the raw material may include a positive electrode active material or non-carbon-based negative electrode active material. The sintered body has an interparticle grain boundary or neck of an active material formed by heat application (as a specific example, heat treatment) and may be in the state in which the particulate electrode active material integrally bound (melted). Otherwise, in contrast, the sintered body may be in the state in which the active material particles are bound to each other by pyrocarbon (carbon precursor-derived pyrocarbon). When the active material bulk is a sintered body of the electrode active material, the pore structure, the porosity, or the like may be easily controlled by an average size, distribution, and a sintering degree of the electrode active material particles.
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