Enevate Corporation

University of California

Mya Le Thai

Benjamin Yong Park

Heidi Leighette Anderson

Reginald M Penner

Hong Zhao

Vincent Giordani

Younes Ansari

Samuel Keene

Qing Zhang

Sung Ju Cho

Myunghwan Jeong

Daniel Sylvinson Muthiah Ravinson

Electrolyte formulations for energy storage devices are disclosed. The energy storage device comprises a first electrode and a second electrode, where one or both of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition. Electrolyte formulations as described herein are electrolyte compositions comprising two or more components such as solvents, co-solvents, salts and/or additives. In some embodiments, three or more, four or more, five or more, six or more, seven or more, or eight or more components are included in the electrolyte composition.

Electrolyte formulations for optimal performance in Si-containing lithium ion batteries

A nanowire energy storage device such as a nanowire battery or a capacitor having a cathode comprising a plurality of nanowires and an anode comprising a plurality of nanowires interlaced with the plurality of nanowires of the cathode, and embedded in a PMMA gel electrolyte.

Enhanced cycle lifetime with gel electrolyte for MNO2 nanowire capacitors

A method and system for copper coated anode active material may include providing a metal current collector; an active material layer on the current collector, the active material layer comprising at least 50% silicon by weight, a pyrolyzed carbon source; and a layer of metal on the active material layer that increases conductivity of the layer. The surface may be opposite to a surface of the active material layer that is coupled to the current collector. The layer of metal may comprise copper. The silicon may comprise particles ranging in size from 2 to 50 &#x3bc;m. The metal layer may comprise islands of metal on the silicon particles. The islands of metal may have a thickness of 100 nm or less. The islands of metal may be less than 50 &#x3bc;m across. A conductivity of the anode active material layer and layer of metal may be less than 2&#xd7;10&#x3a9;-cm.

Method and system for copper coated anode active material

Silicon-dominate battery electrodes, battery cells utilizing the silicon-dominate battery electrodes, and methods of manufacturing are disclosed. Such a battery cell includes a cathode, a separator, an electrolyte, and an anode. The anode comprises a current collector and active material on the current collector. The active material layer includes at least 50% silicon. A ratio of the electrolyte to Ah is over 2 g/Ah.

Silicon based lithium ion battery and improved cycle life of same

Growing community of inventors

Irvine, CA, United States of America

Mya Le Thai