1、 METRIC MIL-PRF-29595A 26 April 2011 SUPERSEDING MIL-B-29595(AS) 15 February 1994 PERFORMANCE SPECIFICATION BATTERIES AND CELLS, LITHIUM, RECHARGEABLE, AIRCRAFT, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.
2、1 Scope. This specification covers the general requirements for secondary (rechargeable) storage batteries of lithium electrochemistry including, but not limited to, lithium-ion, gel-polymer lithium-ion, and lithium polymer. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section a
3、re specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are caution
4、ed that they must meet all specified requirements of documents cited in sections 3 or 4 of this specification, whether or not they are listed. Comments, suggestions, or questions on this document should be addressed to the Naval Air Systems Command (Commander, Naval Air Warfare Center Aircraft Divis
5、ion, Code 4L8000B120-3, Highway 547, Lakehurst, NJ 08733-5100) or e-mailed to michael.sikoranavy.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST online database at https:/assist.daps.dla.mil. AMSC N/A FSC 6140 Provided by IH
6、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 2 2.2 Government documents. 2.2.1 Specifications and standards. The following specifications and standards, form a part of this document to the extent specified herein. Unless otherwise specified, the
7、issues of these documents are those cited in the solicitation or contract (see 6.2). FEDERAL STANDARD FED-STD-595/17875 - Miscellaneous, Gloss DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-18148/3 - Receptacles, Electric, Aircraft Storage Battery MIL-PRF-24236 - Switches, Thermostatic, (Metallic and
8、Bimetallic), General Specification For DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Electronic and Electrical Component Parts. MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment. MIL-STD-810 - Environmental Engineering Consideratio
9、ns And Laboratory Tests (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or https:/assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings,
10、 and publications. The following other Government document, drawing, and publication form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. S9310-AQ-SAF-010 - Technical Manual for Batteri
11、es, Navy Lithium Safety Program Responsibilities and Procedures NAVSEAINST 9310.1 - Naval Lithium Battery Safety Program (Copies of Navy Technical Manual S9310-AQ-SAF-010 are available from https:/nll.ahf.nmci.navy.mil/ or Navy Logistics Library, Naval Supply Systems Command, 5450 Carlisle Pike, Mec
12、hanicsburg, PA 17055-0791. Copies of NAVSEA Instruction 9310.1 are available from http:/www.navsea.navy.mil/NAVINST/09310-001B.pdf.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 3 2.3 Non-Government publications. The following docum
13、ent forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of this document are those cited in the solicitation or contract (see 6.2). AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) ASME-Y14.38 - Abbreviations and Acronyms (DoD adopted) (Copies of this
14、document are available from http:/www.asme.org or ASME International, Three Park Avenue, New York, NY 10016-5990.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for relat
15、ed specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein a
16、nd in accordance with the applicable specification sheet. In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 Qualification. Cells and batteries furnished under this specification shall be products that are authorized
17、by the qualifying activity for listing on the applicable qualified products list (QPL) before contract award (see 4.2 and 6.4). 3.3 Components. Components that are specified shall be in accordance with the applicable specification. Components shall be chosen so that the battery meets the performance
18、 requirements of this specification and if requested by the qualifying activity, the manufacturer shall supply a certification of conformity of the component (see 6.2.e and 6.10). 3.4 Dissimilar metals. Unless protected against electrolytic corrosion, dissimilar metals shall not contact each other (
19、see 6.10.4). 3.5 Design. The design shall conform to the requirements specified herein when examined in accordance with the visual and mechanical tests of 4.5.2. The design shall also conform to the requirements specified in S9310-SAF-AQ-010 (see 6.17 and 6.18). Requirements for the individual types
20、 of batteries are specified in the applicable specification sheets (see 3.1). 3.5.1 General. The battery shall be free from defects that will affect life, functioning, and appearance. Batteries shall not have loose contacts, poor or improper molding or fabrication, damaged or improperly assembled co
21、ntacts, peeling, flaking or chipping of plating or finish, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 4 mechanical damage due to testing environments, nicks or burrs of metal parts of surfaces, nor improper or incorrect marking. 3
22、.5.2 Batteries. After delivery from the manufacturer, batteries shall not require the addition of any substance before being put into service. The battery shall not require any maintenance besides a conditioning charge, in meeting the provisions of this specification (see 6.14.8). 3.5.3 Battery cont
23、ainer and cover. The battery container and cover shall be free of pits, blow holes, rough spots, and other deformations. The dimensions and locations of receptacles, hold-downs, vent tubes, and battery identification shall conform to the applicable specification sheet. The cover shall not be removab
24、le from the container. The battery container and cover shall neither support combustion nor emit toxic vapors when subjected to flame. 3.5.4 Venting. Each cell and battery shall incorporate a safety-venting device or be designed and manufactured in such a manner that will preclude a violent rupture
25、as a result of cell venting. The design and construction shall not degrade or obstruct the vent. If a battery includes vent tubes, the tubes shall be located as shown on the applicable specification sheet. Each vent tube shall be capable of supporting the test sample such that the requirements of 3.
26、9.5 are met after being tested in accordance with 4.5.6. 3.5.5 Receptacles. Each battery shall include a main power receptacle in accordance with the applicable specification sheet. This receptacle provides the batterys interface to the aircraft or equipment electrical system. The hardness of the wo
27、rmgear retaining pins within the sockets of receptacles in accordance with MIL-PRF-18148/3 receptacles shall be not less than 55 on the Rockwell C Scale when tested in accordance with 4.5.24. 3.5.6 Connectors, intercell. All electrical connections within the battery shall be by surface-to-surface co
28、nduction and not through screw threads. 3.5.7 Leakage. Evidence of leakage of electrolyte or any other substance during the performance of any of the tests specified in section 4 shall not occur. 3.5.8 Voltage. Unless otherwise specified in the applicable specification sheet, the nominal potential o
29、f the battery shall be 26 volts. The battery potential shall be not greater than 29.0 volts at any time. 3.5.9 Heaters. Heaters may be incorporated into batteries to meet the cold temperature charging requirements. Heater power shall not be provided during any discharge performed in section 4. Heate
30、r power shall be provided during all constant potential charges (see 4.4.2). When heaters are incorporated, the following requirements shall apply: a. Heaters shall be powered by 115 VAC or by 28.0 volts direct current (VDC) (see applicable specification sheet for heater power requirements). Provide
31、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 5 b. The rated current of each heater control device shall be compatible with the current specified in the applicable battery specification sheet. c. Heater elements and wire assemblies shall be
32、 electrically insulated and installed in a manner which minimizes potential battery damage due to electrical shorting, sparking, or other electrical hazards. d. All electrical switches, controls, circuits, and installations shall be explosion-proof. When operating, they shall not ignite explosive mi
33、xtures of hydrogen and oxygen gasses generated inside the battery container. e. Both primary and secondary (backup) temperature limiting controls shall be incorporated into the batterys electrical circuits to prevent overheating and shall be wired in series. If the primary heater control fails, the
34、battery shall not reach a damaging temperature. f. All thermal switches shall be snap-action type in accordance with MIL-PRF-24236. g. All heater components shall be located inside the battery container. h. When the battery is operating in accordance with any specified environmental condition (see 4
35、.4.1), the exterior surface of the battery container shall not be greater than 75 C (167 F) due to the heater operation. 3.6 Physical requirements. 3.6.1 Atmospheric operating conditions. Unless otherwise specified in the applicable specification sheet, the cell or battery shall be capable of perfor
36、ming electrically while encountering the environments of 3.6.1.1 through 3.6.1.3. 3.6.1.1 Humidity. The operating relative humidity shall be from 0 percent to 100 percent including condensation. 3.6.1.2 Pressure. The operating atmospheric pressure shall range from that found at sea level to that fou
37、nd at an altitude of 18,288 meters (60,000 feet). 3.6.1.3 Temperature. The operating temperature shall be from -40 C to +71 C (-40 F to 160 F). 3.6.2 Attitude. The battery shall be designed for operation in any position while meeting the capacity, voltage and electrolyte leakage requirements (see ap
38、plicable specification sheet). 3.7 Color and marking. The batteries shall conform to the requirements listed below when examined in accordance with 4.5.2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 6 3.7.1 Color. The battery shall
39、 conform to one of the following color styles: a. The color under natural light of four out of six faces of the battery, except the mounting points, hold-down hooks, other external hardware, identification marking, and instructions, shall conform to the color listed in table I. b. Color only the con
40、tainer cover and marking backgrounds in accordance with those listed in table I under natural light; the rest of the container shall be white or grey. c. Color only the container cover and marking backgrounds in accordance with those listed in table I under natural light; the rest of the container s
41、hall be of stainless steel. 3.7.2 Polarity marking. The container body shall be conspicuously and durably marked “+“ in red in the location shown on the applicable specification sheet. 3.7.3 Identification marking. The battery identification marking shall be in white or black print and shall be clea
42、r and legible throughout all tests. Unless otherwise specified in the applicable specification sheet, the marking shall use a type size of not less than 4.2 mm. The marking shall contain the required titles and information as shown in figure 1 herein and shall be placed in accordance with the applic
43、able specification sheet. The lot code shall be constructed in accordance with 3.7.6. The blank area following the entry Date First Placed in Service shall be capable of being written on with a felt tip permanent marker. The manufacturer shall fill in the applicable information at the indicated area
44、s. Abbreviations in accordance with ASME-Y14.38 and acronyms are permitted. 3.7.4 Battery caution marking. The battery caution marking shall contain the required titles and information as shown on figure 2 herein and shall be placed in accordance with the applicable specification sheet. The letterin
45、g height shall be not less than 6.3 mm. The marking shall be in black print. 3.7.5 Marking for batteries with heaters. If any exterior surface of the battery container exceeds 49 C (120 F) when all heater elements are energized and all other battery electrical circuits are not functioning for 1 hour
46、, the following caution statement shall be inscribed on the battery identification marking and battery caution marking: CAUTION HOT SURFACE (see figures 1 and 2). The height of all statement letters shall be equal and not less than 6.2 mm. The battery container shall also display an electrical schem
47、atic for internal heaters. The height of the letters and numbers shall be equal and not less than 3.8 mm. 3.7.6 Lot code. The month and year that the manufacturer compiled the batteries into a group for inspection and the lot code of the battery shall be clearly shown on the battery identification m
48、arking. The information shall be coded such that the first two digits indicate the month of the year, the middle two digits indicate the year (followed by a dash), and the last two digits indicate the inspection lot (see 6.14.7) number. Months earlier than the tenth shall be Provided by IHSNot for R
49、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29595A 7 indicated by a single digit preceded by “0“. When the inspection lot is compiled during the first three or the last three working days of the month, the manufacturer is permitted to use either that month or the nearest adjacent month as the coded month. For example, lot code 0409-12 indicates the lot was compi
