锂电池基础科学问题6.pdf

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锂电池基础科学问题6.pdf

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锂电池基础科学问题6

2 6 Vol.2 No.6 2013 11 Energy Storage Science and Technology Nov. 2013 VI 100190 doi 10.3969/j.issn.2095-4239.2013.06.010 O 646.21 A 2095 06-620-16 Fundamental scientific aspects of lithium batteries (VI) Ionic transport in solids ZHENG Hao GAO JianWANG ShaofeiLI Hong Institute of PhysicsChinese Academy of ScienceBeijing 100190China Abstract Operating of lithium-ion batteries includes transport of lithium ion in anode, cathode and solid electrolyte interphase. It is important to determine the properties of ionic transport in solid state materials. In this paper, general ionic transport mechanisms in solids, driving force of ion motions, and factors affecting ionic conductivities are summarized briefly. Differences in the transport properties between intrinsic lithium ion in lattice and external lithium ion through lattice or grain boundaries and the size effect are briefly discussed as well. Key words ion conductivity transport lithium-ion battery defects diffusion