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SINO TECHNOLOGY SUNBEAM GREEN POWER DATAPOWER SEONG-HEE STD

SINO TECHNOLOGY

Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .

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SUNBEAM

Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales

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GREEN POWER

Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc

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DATAPOWER

Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.

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SEONG-HEE

Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc

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STD

Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.

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402030 battery

release time:2024-08-22 Hits: Popular:AG11 battery

　　Battery Introduction

　　1. What is a battery

　　A battery is a chemical power source, a device that directly converts chemical energy into electrical energy. It consists of two electrochemically active electrodes with different compositions, forming the positive and negative electrodes respectively. Two electrodes are immersed in an electrolyte that can provide dielectric conductivity. When connected to an external carrier, it can provide electrical energy by converting its internal chemical energy.

　　2. Differences and Similarities between Primary and Secondary Batteries

　　A battery can only be discharged once, and a secondary battery can be reused.

　　Secondary batteries undergo reversible changes in electrode volume and structure during discharge, so these changes must be adjusted during design, while the interior of primary batteries is much simpler as it does not require adjustment of these reversible changes

　　The mass specific capacity and volume specific capacity of a primary battery are both greater than those of a typical rechargeable battery, but the internal resistance (0.2-0.5 Ω) is much higher than that of a secondary battery, resulting in lower load capacity

　　In addition, the self discharge of a primary battery is much smaller than that of a secondary battery.

　　3. The electrochemical principle of nickel hydrogen batteries

　　Nickel hydrogen batteries use the same Ni oxide as nickel cadmium batteries as the positive electrode, hydrogen storage metal as the negative electrode, and alkaline solution (mainly KOH) as the electrolyte;

　　4. The main structural components of nickel hydrogen batteries are: positive electrode sheet, negative electrode sheet, separator paper, cap, shell, and insulation layer.

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