Peking University

Suncall Technologies (sz) Co., Ltd.

Jiangtao Hu

Lei Zhu

Yuan Lin

William Bailey

Feng Pan

Hua Guo

Wen Li

Hongbin Song

Bingkai Zhang

Xiaohe Song

Zengqing Zhuo

Jiaxin Zheng

Yidong Liu

Yandong Duan

Tongchao Liu

A supercapacity lithium ion battery cathode material, a preparation method therefor and an application thereof. The supercapacity lithium ion battery cathode material consists of a transition metal-containing lithium ion cathode material and carbon which is coated on the surface of the lithium ion cathode material. The transition metal on the surface of the lithium ion cathode material is coordinated with carbon by means of X&#x2014;C bonds to form transition metal-X&#x2014;C chemical bonds, such that carbon stably coats the surface of the cathode material, wherein C is SP3 hybridization and/or SP2 hybridization, and X is at least one selected from among N, O and S. The supercapacity lithium ion battery cathode material connects the lithium ion cathode material and the carbon by means of the transition metal-X&#x2014;C chemical bonds, and utilizes the transition metal-X&#x2014;C chemical bonds to repair boundary of lattices on the surface of the cathode material, such that an interface between the lithium ion cathode material and a carbon layer can be optimized, to form an interface that can store Li, thereby increasing the per gram capacity of the cathode material, and laying the foundation for preparing a supercapacity lithium ion battery.

Supercapacity lithium ion battery cathode material, preparation method therefor and application thereof

A LC-typed duplex connector includes a connecting head assembly, a boot assembly and a handle. The handle includes a first elastic structure portion, a second elastic structure portion and a hand shank portion. When the second elastic structure portion is detached from the boot assembly, the first elastic structure portion is detached from the connecting head assembly under the action of the hand shank portion, achieving the detachment and alternate side operation of the LC-typed duplex connector. The detachable handle can efficiently fasten the connecting head assembly with the boot assembly together. The first and second elastic structure portions are easier to detach from the connecting head assembly and the boot assembly respectively under the action of the hand shank portion. Moreover, the hand shank portion is matched with the tail end of the boot assembly, thereby improving efficiently the space utilization of the panel.

Lucent connector typed duplex connector

Growing community of inventors

Shenzhen, China

Jiangtao Hu