Chengdu Jingyuan New Materials Technology Co., Ltd.

Ut-battelle, Inc.

University of Tennessee Research Foundation

Sichuan Cancer Hospital & Institute

Yu Wang

Rulan Liao

Kaiping Wu

Jiaxiang Wang

Xiaobing You

Pin Xu

Yun Lu

Soydan Ozcan

Halil L Tekinalp

Kai Li

Xiangfei Wang

Jiahua Lv

Hailie Li

The disclosure particularly relates to a bending mechanism and a surgical robotic arm including this mechanism. bending mechanism includes a flexible shell and a plurality of bending modules, arranged serially or in front-to-back connection. The bending modules are housed within the flexible shell. The bending modules include an adjustment drive assembly, a first adjustment shaft, and a second adjustment shaft. The first adjustment shaft and the second adjustment shaft are movably connected through a connecting part, the adjusting drive assembly is connected with the first adjustment shaft and the second adjustment shaft, and the adjusting drive assembly is configured to adjust an angle between the first adjustment shaft and the second adjustment shaft. The bending mechanism and surgical robotic arm aim to solve problems concerning damage caused to the human body.

Bending mechanism and surgical robotic arm including the same

A toughened polyester composite comprising: (i) a polyester matrix and (ii) droplets of a high boiling point liquid having a boiling point of at least 140&#xb0; C. dispersed in said polyester matrix, wherein the high boiling point liquid is present in an amount of 0.1-10 wt % by weight of the toughened polyester composite, and wherein the composite may further include: (iii) a modifier selected from polycarboxylic, polyol, and polyamine compounds, wherein the modifier is present in an amount of 0.1-10 wt % by weight of the toughened polyester composite. Methods for producing the polyester composite are also described.

Toughened polyester composites containing polyester matrix and droplets of high boiling liquid therein

A Ni&#x2014;, Co&#x2014;, and Mn&#x2014; multi-element doped positive electrode material for lithium ion batteries and its preparation method are provided. The method for preparing said material consists of: first forming a Ni&#x2014;, Co&#x2014;, and Mn&#x2014; multi-element doped intermediate compound by coprecipitation or chemical synthesis; mixing said multi-element intermediate compound with lithium salt and pre-processing the resulting mixture; adding polyvinyl alcohol into the mixture and mixing uniformly, then pressing the resulting mixture into blocks, and calcining these at 800&#x2dc;930&#xb0; C.; cooling outside the furnace, crushing and passing through a 400-mesh sieve; calcining the resulting powder at 700&#x2dc;800&#xb0; C., cooling outside the furnace and crushing to obtain the product. The positive electrode material obtained by the method described is in the form of non-agglomerated monocrystal particles, with a particle diameter of 0 5&#x2dc;30 &#x3bc;m, the chemical formula LiNiCoMnMO, a compacted density of up to 3.4 g/cm, and an initial discharge capacity of 145&#x2dc;152 mAh/g. This positive electrode material shows excellent cycle performance and a high degree of safety.

Ni-, Co-, and Mn- multi-element doped positive electrode material for lithium battery and its preparation method

The present invention discloses a high compact density nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and methods of its preparation. A preparation method of this battery cathode material is as follows: (A) preparing a nickel-cobalt-manganese multi-element intermediate with dopants by co-precipitation or chemical synthesis; (B) preparing a mixture by mixing said multi-element intermediate with a lithium salt; (C) pre-treating the said mixture, then adding into it polyvinyl alcohol and mixing uniformly; (D) pressing the resulting material into lumps, calcining the lumps at 800&#x2dc;950&#xb0; C., cooling after its removal from the furnace, crushing, passing through a 400 mesh sieve; (E) calcining the resulting power at 700&#x2dc;800&#xb0; C., cooling after its removal from the furnace, crushing and sieving to obtain a product. The lithium battery cathode material obtained using the above-described method has the formula LiNiCoMnMO. The cathode material has non-agglomerated single crystal particles. The material has a particle size ranging from 0.6&#x2dc;30 &#x3bc;m, a compact density of 3.5&#x2dc;3.7 g/cm, and an initial discharge capacity of 150&#x2dc;165 mAh/g, with excellent cycling and safety performance.

Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation

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Chengdu, China

Yu Wang