Bibliographic Details
| Title: |
Size effects in lithium ion batteries. |
| Authors: |
Hu-Rong Yao1,2, Ya-Xia Yin1, Yu-Gao Guo1,2,3,4 ygguo@iccas.ac.cn |
| Source: |
Chinese Physics B. Jan2016, Vol. 25 Issue 1, p1-1. 1p. |
| Subjects: |
Thermodynamics, Electrodes, Particle size determination, Surface energy, Electrolytes |
| Abstract: |
Size-related properties of novel lithium battery materials, arising from kinetics, thermodynamics, and newly discovered lithium storage mechanisms, are reviewed. Complementary experimental and computational investigations of the use of the size effects to modify electrodes and electrolytes for lithium ion batteries are enumerated and discussed together. Size differences in the materials in lithium ion batteries lead to a variety of exciting phenomena. Smaller-particle materials with highly connective interfaces and reduced diffusion paths exhibit higher rate performance than the corresponding bulk materials. The thermodynamics is also changed by the higher surface energy of smaller particles, affecting, for example, secondary surface reactions, lattice parameter, voltage, and the phase transformation mechanism. Newly discovered lithium storage mechanisms that result in superior storage capacity are also briefly highlighted. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
