National Engineering Research Center of Advanced Energy Storage Materials (shenzhen) Co., Ltd

Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., Ltd.

Faping Zhong

Hongbing Liu

Jiqun Zhu

Subin Jiang

Chihuan He

Shuifa Tan

Xiaofeng Chen

Jianqi Li

Yinglin Gong

Pengfei Chen

Xiaobing Huang

Shunhua Hu

Jinchun Xiao

Changping Fu

Peihong Zhao

Mingxing Tang

The invention discloses a battery pack control method in a mixed storage state based on light intensity, which includes S1: detecting the status of multiple energy storage battery packs in real time. When it is in the standby state, it goes to S2. When it is in the charging state, it goes to S3, when it is in the discharge state, go to S4, when it is in the simultaneous charge-discharge state, go to S5; S2: When it is in the standby state: detect the lighting situation, and compare the structure with the current light intensity coefficient value and the set threshold. Adjust the circuit parameters; S3: Work in Buck mode when charging; S4: Work in Boost mode when discharging; S5: When in charge-discharge state, proceed according to the output-input power difference. Adjustment; S6: Return to S1 and cycle through multi-energy storage battery control.

Method for controlling battery pack in hybrid energy storage state based on light intensity

The present disclosure provides a corrosion-resistant device for gas-solid separation, the device including a feeding inlet, a filter element, a solid outlet, and a gas outlet.

Device for gas-solid separation

A method of using a chlorination method to recycle metal elements in lithium batteries includes, organic components in the lithium battery are removed, so as to obtain a mixture of powders containing the positive-electrode material; the powders are heated and chlorinated by chlorine, at a heating temperature of 500-1200° C.; gas products of the chlorination are output through a gas-solid filtration device, and then two stages of desublimation are used, wherein the temperature during the first-stage desublimation is set to be below 306° C. and above 178° C., so that FeClis desublimated into solid deposition, which is used for recycling Fe element; the temperature of the second-stage desublimation is set to be below 178° C., so that AlClis desublimated into solid deposition, which is used for recycling Al element; solid products of the chlorination are taken out for recycling the Li element.

Method of using a chlorination method to recycle metal elements in lithium batteries

The present disclosure provides an apparatus for a chlorination method to recycle metal elements in lithium batteries.

Apparatus for a chlorination method to recycle metal elements in lithium batteries

The present invention provides a high-energy-density secondary lithium-ion battery, including: a lithium-ion cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, a MicroUSB interface, a plastic structural part, a square rigid FR-4 substrate, a circular rigid FR-4 substrate and a metal cap, for integrating three functions of a constant voltage output, charge management and protection, overcharge and overdischarge protection, and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a high energy density of the battery, and is also conducive to improving the reliability.

High-energy-density secondary lithium-ion battery

The invention provides a preparation method of the matrix material for the gas diffusion layer of a fuel cell. The matrix material is obtained on the polyurethane sponge through the following process: conductively treating, electroplating, dissolving nickel by electrolysis, heat-treating, tungsten-nickel alloy electroplating, heat-treating, rolling. The mass content of the metal nickel of the matrix material is 88&#x2dc;92%, and the mass content of the metal tungsten is 8&#x2dc;12%. The material prepared by the invention has a high specific surface area, excellent thermal conductivity and gas permeability performance, excellent electrical corrosion resistance and oxidation resistance. After being prepared as the gas diffusion layer, as the diffusion layer and fuel cell electrode are closely connected, the material can effectively resist the electrochemical corrosion of the diffusion layer caused by the electrochemical reaction and is suitable for the matrix material of the gas diffusion layer.

Preparation method of the matrix material for the gas diffusion layer of a fuel cell

The invention provides a matrix material for the gas diffusion layer of the polymer electrolyte membrane fuel cell, which is composed of three-dimensional porous and strip-shaped hexagonal chambers connected to each other, wherein the six-sided ribs are composed of two metal layers, the inside is metal nickel, and the outside is tungsten-nickel alloy. The total mass of metal per square meter of the material is: 1500&#x2dc;3000 grams, the mass content of metal nickel in the material is 88&#x2dc;92%, the mass content of metal tungsten is 8&#x2dc;12%, and the rest are impurities; the thickness of the matrix material is 0.1&#x2dc;0.2 mm, specific surface area is (1&#x2dc;2)&#xd7;10m/m; longitudinal air permeability &#x2265;2000 m/mm/(cmhmmAq), longitudinal thermal conductivity &#x2265;1.7W/(m&#xb7;k), transverse thermal conductivity &#x2265;21W/(m&#xb7;K). The porous nickel-tungsten metal material of the invention, as the matrix material of the gas diffusion layer, has the advantages of lower electrical resistance and higher strength compared with carbon paper.

Matrix material for the gas diffusion layer of the polymer electrolyte membrane fuel cell

The present invention provides a large-capacity secondary battery, including: a rechargeable cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, an LED lamp, a plastic part, a circular rigid FR-4 substrate, a metal cap, an insulation pad and an insulation heat shrink film, for integrating multiple functions of a constant voltage output, charge management and protection, and overcharge, overdischarge and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a large capacity of the battery.

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Shenzhen, China

Faping Zhong