PT Journal AU Pröll, J Kim, H Pique, A Seifert, HJ Pfleging, W TI Laser-printing and femtosecond-laser structuring of LiMn₂O₄ composite cathodes for Li-ion microbatteries SO Journal of Power Sources PY 2014 BP 116 EP 124 VL 255 DI 10.1016/j.jpowsour.2013.12.132 LA english ER