Electrochemical nanometer pressure cavity

An electrochemical and nanotechnology, applied in chemical instruments and methods, chemical/physical processes, circuits, etc., can solve the problem of high experimental cost, achieve simple preparation process, realize in-situ continuous pressurization-decompression, and accurate pressure controllable effect

Active Publication Date: 2022-07-01
CENT FOR HIGH PRESSURE SCI & TECH ADVANCED RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] High-pressure devices such as large presses and diamond counter-anvils mostly use superhard materials such as diamonds, and the cost of experiments is extremely high, and there is an urgent need to develop lower-cost technologies

Method used

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  • Electrochemical nanometer pressure cavity
  • Electrochemical nanometer pressure cavity
  • Electrochemical nanometer pressure cavity

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Embodiment Construction

[0051] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0052] according to Figure 1-8 As shown, the embodiment of the present invention provides a novel electrochemical nano-pressure cavity technology, including a micro battery system and a control system. The miniature battery system includes battery positive and negative electrode materials that can desorb / intercalate cations, battery electrolyte materials 6, metal current collectors 8, etc. The battery negative electrode material 2 is provided with a core-shell structure, and the core-shell structure is used to coat the target. Study sample material 1. The control system generally includes a voltage-current control system 12 (such as an electrochemical workstation), an energiza...

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Abstract

The invention provides a novel electrochemical nano pressure cavity technology, which comprises a micro battery system and a control system. According to the basic working principle, a target nanoscale sample material is coated with a battery negative electrode material capable of embedding ions, so that a core-shell structure is formed, a shell layer electrode material is accurately controlled by a control system to perform electrochemical reaction, the ions of the shell layer material are embedded (expanded) or separated (shrunk), and the pressure effect on the coated sample is realized. By adopting the nano pressure cavity technology, the coated nano sample material can be compressed at million atmospheric pressure level, meanwhile, in-situ continuous pressurization-decompression can be realized, and the method has the advantages of accurate and controllable pressure, simplicity in operation and good repeatability, and is simple in preparation process, low in cost and suitable for industrial production. The device can be widely applied to microscopic high-pressure scientific in-situ or ex-situ experiments of various solid materials and other related experimental studies.

Description

technical field [0001] The invention relates to the field of high-voltage device technology and nanomaterial mechanics technology, in particular to an electrochemical nanometer pressure cavity. Background technique [0002] Pressure and temperature are basic state parameters that change the properties of matter. But for a long time, people's awareness and understanding of pressure lags far behind temperature. The main reason is that the generation of high pressure in experiments and the physical property detection of materials under high pressure environment are extremely challenging, and the development of high pressure science greatly depends on the innovation and breakthrough of high pressure technology. [0003] At present, the main high-pressure technologies include large presses (such as six-sided top presses) and diamond anvil technology. Large presses can compress millimeter-scale sample materials, and diamond anvil technology can mainly compress micron-scale sampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J3/00B01J3/06H01M4/36H01M4/62
CPCB01J3/00B01J3/002B01J3/06H01M4/366H01M4/628Y02E60/10
Inventor 高翔陈永金杨文革
Owner CENT FOR HIGH PRESSURE SCI & TECH ADVANCED RES
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