有研究表明，阴材料是影响锂离子电池性能变化的重要部件，因为阴材料是决定容量和电池寿命的关键部件[1,2]，其中阴材料的颗粒大小对电性能影响较大[3]，隆得里纳大学Jair Scarminio团队的研究中采集了高性能（High State of Health）及低性能（Low State of Health）状态手机里的锂电池阴材料，用以探究与验证电池老化循环之后的机械性能的变化。
[1] F. Schipper, E.M. Erickson, C. Erk, J.-Y. Shin, F.F. Chesneau, D. Aurbach, Review - Recent advances ａnd remaining challenges for lithium ion battery cathodes, J. Electrochem. Soc. 164 (2017) A6220–A6228. doi:10.1149/2.0351701jes.
[2] R. Hausbrand, G. Cherkashinin, H. Ehrenberg, M. Gröting, K. Albe, C. Hess, W. Jaegermann, Fundamental degradation mechanisms of layered oxide Li-ion battery cathode materials: Methodology, insights ａnd novel approaches, Mater. Sci. Eng. B. 192 (2015) 3–25. doi:10.1016/j.mseb.2014.11.014.
[3] M. Aklalouch, R.M. Rojas, J.M. Rojo, I. Saadoune, J.M. Amarilla, The role of particle size on the electrochemical properties at 25 ａnd at 55 °C of the LiCr0.2Ni0.4Mn1.4O4 spinel as 5 V-cathode materials for lithium-ion batteries, Electrochim. Acta. 54 (2009) 7542–7550. doi:10.1016/j.electacta.2009.08.012.
[４]Stephany Pires da Silva, Lucas Evangelista Sita, Caroline Santana dos Santos, Fernando Henrique Pavoni, Henrique de Santana, Avacir Casanova Andrello, Paulo Rogério Catarini da Silva, Jair Scarminio,Physical ａnd chemical characterization of LiCoO2 cathode material extracted from commercial cell phone batteries with low ａnd high states of health, Materials Chemistry ａnd Physics,213（2018）,198-207．http://doi.org/10.1016/j.matchemphys
