JOHNSON CONTROLS TECHNOLOGY LLC - Wilmington DE, US Sung-Jin Cho - Whitefish Bay WI, US Frederic C. Bonhomme - Thiensville WI, US Mohamed Taggougui - Bayside WI, US David R. Boone - Waukesha WI, US Qingfang Shi - Brookfield WI, US Alexandre Ndedi Ntepe - Mequon WI, US
Provided herein is an electrode active material comprising a lithium metal oxide and an overcharge protection additive having an operating voltage higher than the operating voltage of the lithium metal oxide.