No.19 Celgrd张正铭-Tianjin Materials -2013-4-pub1.pdf

Internal Short, Thermal Behavior and Porous Electrode Li-ion Materials Conference (2013-4) Zhengming (John) ZHANG, Ph. D. Chief Technology Officer, Celgard LLC Honor of “John ZHANG Energy Prize”, Univ. NCC Former Chairman of Cell sub-Group, IEEE (P1625) and Prem Ramadass, Ph. D. and Weifeng (Bill) Fang, Ph. D. Of Celgard LLC Thanks • IEEE org, UL, CTIA • My Group Members: • BAJ org, Sanyo, Panasonic, Sony • Dell, HP, Apple, IBM, Lenovo, Intel, TI. Mot etc. • ATL, BYD, Lishen, BAK, Moli • SDI, LG-Chem, Samsung Electronics etc. • Saft (Thermal Propagation Study) • Many our customers, especially those EDV battery producers and EDV producers • Especially, all Engineers, Scientist and Mgrs in these Orgs. (During last 12 years, I have frequently worked with them at production lines and labs design experiments, resolve problems and enjoy successes together.) Challenges of Li-ion Cell n o i Energy Power t Safety Low Cost a Density Density t n e s Designs Materials Materials Materials e Process r P s Internal i h Design Design Design t Short f o c i Cell Size Production p o T Lithium Deposition Materials System Analysis