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An activated metal electrode based on an oxygen-metal battery

A technology of metal batteries and activated metals, which is applied to the electrodes of primary batteries, fuel cell half-cells, and primary battery-type half-cells. It can solve the problems of high infrastructure dependence, excessive discharge, and scarce raw materials. Effect of reducing corrosion and high concentration, reducing negative electrode polarization, and saving resources

Active Publication Date: 2017-09-12
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because they have more or less problems such as "low voltage, unsuitable for excessive discharge, unfriendly environment, scarce raw materials, high price, high dependence on infrastructure, unsafe, and less cycle times", oxygen-metal batteries although To overcome the above problems, but in order to make the electrolyte solution more mild and meet the requirements of higher output power, a feasible proposal is to develop an active metal electrode

Method used

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  • An activated metal electrode based on an oxygen-metal battery

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Embodiment 1

[0026] Embodiment 1: Add B element to the activation of Fe

[0027] In this embodiment, the selected added element is B, and the nominal composition is determined to be Fe: B=1:1 (atomic ratio), that is, Fe 50 B 50 , the implementation method is as follows:

[0028] ● Preparation:

[0029] Step 1: Ingredients

[0030] Press Fe 50 B 50 The nominal composition weighs each elemental element and becomes the raw material for preparing the master alloy ingot.

[0031] Step 2: Smelting

[0032] Put the weighed Fe and B elements into the quartz tube, cover the lid, and melt in a vacuum high-frequency induction melting furnace;

[0033] The melting conditions are: the vacuum degree in the vacuum high-frequency induction melting furnace during melting is 8×10 -3 Pa below, filled with 0.5Mpa high-purity argon, smelting for 5-10 minutes.

[0034] Step Three: Spray Casting

[0035] Put the master alloy obtained in step 2 into a vacuum induction metal melt rapid cooling solidifica...

Embodiment 2

[0046] Example 2: Activation of Al by adding Si element

[0047] In this embodiment, the selected additive element is Si, and the nominal composition is determined to be Al:Si=9:1 (atomic ratio), that is, Al 90 Si 10 , the implementation method is as follows:

[0048] ● Preparation:

[0049] Step 1: Ingredients

[0050] Press Al 90 Si 10 The nominal composition weighs each elemental element and becomes the raw material for preparing the master alloy ingot.

[0051] Step 2: Smelting

[0052] Put the weighed Al and Si elements into the copper crucible of the true high arc melting furnace, put Si inside the Al, and melt for 3-4 times.

[0053] The smelting conditions are: the vacuum degree in the vacuum arc melting furnace during smelting is 8×10 -3 Below Pa, fill with 0.5Mpa high-purity argon, smelt for 1-2 minutes each time, and smelt for 3-4 times.

[0054] Step Three: Spray Casting

[0055] Put the master alloy obtained in step 2 into a vacuum induction metal melt q...

Embodiment 3

[0066] Embodiment 3: the activation effect of adding C element to Ti

[0067] In the present embodiment, the selected added element is C, and the nominal composition is determined to be Ti:C=72:28 (atomic ratio), and the implementation method is as follows:

[0068] ● Preparation:

[0069] Step 1: Ingredients

[0070] Press Ti 72 C 28 The nominal composition weighs each elemental element and becomes the raw material for preparing the master alloy ingot.

[0071] Step 2: Smelting

[0072] Put the weighed Ti and C elements into the copper crucible of the true high arc melting furnace, put C on the top of Ti, and melt for 3-4 times.

[0073] The smelting conditions are: the vacuum degree in the vacuum arc melting furnace during smelting is 8×10 -3 Below Pa, fill it with 0.5Mpa high-purity argon, and melt it under 300A current, 1-2 minutes for each melting, and 3-4 times of melting. After the smelting is completed, use a copper crucible with high-pressure cooling water to c...

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Abstract

The invention discloses an activated metal electrode based on an oxygen-metal battery. A metal for the electrode is doped with active elements and is further solidified quickly to form the metal electrode by casting. A mechanical treatment is carried out rationally to optimize the electrode activity, and thus, the activated metal electrode is formed. The novel activated metal electrode may be used for a high-power oxygen-metal battery, accordingly, utilization of a corrosive electrolyte solution is reduced, and concentration of the electrolyte is lowered.

Description

technical field [0001] The invention relates to a novel metal electrode based on an oxygen-metal battery, specifically adding other elements so that the metal is in a relatively active state. The oxygen-metal batteries here comprise air batteries. Background technique [0002] The emergence of batteries has greatly facilitated the power supply for outdoor operations. People have successively developed batteries such as lead storage batteries, nickel-metal hydride storage batteries, lithium-ion batteries, polymer lithium batteries, and fuel cells. However, because they have more or less problems such as "low voltage, not suitable for excessive discharge, unfriendly environment, scarce raw materials, high price, high dependence on infrastructure, unsafe, and fewer cycles", although oxygen-metal batteries To overcome the above problems, but in order to make the electrolyte solution more mild and meet the requirement of higher output power, a feasible proposal is to develop an ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/06H01M12/06
CPCH01M4/06H01M12/06
Inventor 张涛徐洪杰
Owner BEIHANG UNIV
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