GB/T 20507-2018 English PDF

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GB/T 20507-2018: Spherical nickel hydroxide
Status: Valid

GB/T 20507: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20507-2018	519	Add to Cart	5 days	Spherical nickel hydroxide	Valid
GB/T 20507-2006	839	Add to Cart	5 days	Spherical nickel hydroxide	Obsolete

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Basic data

Standard ID: GB/T 20507-2018 (GB/T20507-2018)
Description (Translated English): Spherical nickel hydroxide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.40
Word Count Estimation: 26,293
Date of Issue: 2018-09-17
Date of Implementation: 2019-06-01
Older Standard (superseded by this standard): GB/T 20507-2006
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20507-2018: Spherical nickel hydroxide

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Spherical nickel hydroxide ICS 77.150.40 H62 National Standards of People's Republic of China Replace GB/T 20507-2006 Spherical nickel hydroxide Published on.2018-09-17 2019-06-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20507-2006 "Spherical Nickel Hydroxide". Compared with GB/T 20507-2006, the main changes of this standard are as follows. --- Adjusted the chemical composition of the product, the upper limit of Fe and Cu content was adjusted from 0.01% to 0.005%; --- Adjusted the electrochemical performance of the product, the lower limit of the discharge platform rate was adjusted from 65% to 70%; --- Removed the.2006 version of A.2, adjusted the order of the appendix, and measured the amount of cobalt in the chemical composition analysis method. Revised; --- Removed the grades Zn3Co1, Zn4Co0.7, and modified the.2006 edition of the grade; --- The judgment of the test result of product specific capacity and discharge platform rate was revised. This standard was proposed by the China Nonferrous Metals Industry Association. This standard is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). This standard was drafted. Jinchuan Group Co., Ltd., Zhejiang Huayou Cobalt Co., Ltd., Nonferrous Metals Technology and Economic Research Institute. The main drafters of this standard. Wang Wenpeng, He Zichuan, Gong Jibao, Zhang Shufeng, Wu Yanhua, Fan Guifang, Tao Shixiang, Liu Shihe, Zhou Liang, Zhu Memorial, Chen Xinggang, Gao Wenbin. The previous versions of the standards replaced by this standard are. ---GB/T 20507-2006. Spherical nickel hydroxide

1 Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality certificates of spherical nickel hydroxide products. And the contract (or order form). This standard applies to the nickel-based series of positive active material spherical nickel hydroxide products for rechargeable batteries.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. For the undated references, the latest edition (including all amendments) applies to this document. GB/T 191 packaging storage and transportation icon Preparation of GB/T 601 chemical reagent standard titration solution Preparation of standard solution for GB/T 602 chemical reagent impurity determination Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 1479.1 Determination of bulk density of metallic powders - Part 1 GB/T 5162 Determination of tap density of metal powder GB/T 5314 powder metallurgy powder sampling method GB/T 6284 General method for moisture determination in chemical products - Dry reduction method GB/T 6682 Analytical laboratory water specifications and test methods GB/T 13390 Determination of specific surface area of metal powders GB/T 19077 Particle Size Analysis Laser Diffraction Method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Specific capacity specificcapacity Under the specified conditions, the capacitance of a unit mass of spherical nickel hydroxide can be expressed by mAh/g. 3.2 Discharge platform rate dischargeplateaucapacityratio Under the specified conditions, the discharge capacity of spherical nickel hydroxide discharged to nominal voltage (1.2V) and discharge to termination voltage (1.0V) The ratio is expressed in %. 3.3 (101) Half-width [FWHM(101)] fulwidthofhalfmaximumintensityoftheXRDpaternin(101)line It is located between 38°±0.5° (that is, the peak width at 1/2 of the X-ray diffraction peak height of the 101 crystal plane), expressed in deg or (°). ......

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