1、8 July 1980 SUPE RSEDI NG DOD-B-24505B( SH) 13 July 1977 (See 6.7) M IL ITA R Y s PE c IF I c A T ION BATTERY, STORAGE, SILVER-ZINC ALKALINE TYPE (FOR DSRV) (METRIC) This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Depar
2、tments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers silver-zinc alkaline storage batteries used in the Deep Submergence Rescue Vehicle (DSRV). . 2. APPLICABLE DOCUMENTS 2.1 Issues of dbcuments. The following doouments, of the issue in effect on date of invitation
3、 for bids or request for proposal, form a part of this specification to the extent specified herein. SPE C IF IC AT IONS FEDERAL QQ-B-650 - Brazing Alloy, Copper, Copper-Zinc, and QQ-B-654 - Brazing Alloy, Silver. QQ-N-290 - Nickel Plating (Electrodeposited). QQ-S-365 - Silver Plating, Electrodeposi
4、ted , General Requirements for. PPP-B-576 - BOX, Wood, Cleated, Veneer, Paper Overlaid. PPP-B-585 - Boxes, Wood, Wirebound. PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-B-640 - Boxes, Fiberboard, Corrugated ,
5、Triple-Wall. PPP-C-300 - Chemicals, Liquid: Packaging and Packing of. . Copper-Phosphor us. r- 1 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 3112, D
6、epartment of the Navy, Washington, DC 20362 by using the self-addresse Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. , d I I- FSC 6140 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
7、by Attributes. MIL-STD-129 - Marking for Shipment and Storage. MS 3106 - Connector, Plug, Electric, Straight, Solder Contacts, AN Type. (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific acquisition functions should be obtained from t
8、he contracting activity or as directed by the contracting officer .) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. 2
9、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-make available all necessary information to the contractor upon request during the design review meetin
10、gs (see 3.10). In case of conflict with this specification, the contractor shall be responsible for requesting the necessary changes, 3.3 Electrical requirements. 3.3.1 Electrical characteristics. The characteristics of each 76-cell battery, based on an electrolyte temperature and an ambient tempera
11、ture as low as OC 2 3OC at the start of the discharge and a constant pressure as high as 25 megapascals (MPa) shall be not less than that shown in table I. TABLE I. Electrical characteristics. Dischargel/ rate amperes (A) 300 170 140 Ca pac it yl/ (Ah) 600 680 700 Bat ter y minimum voltage (V 1 1 O0
12、 1 O0 1 O0 Minimum voltage per cell (V 1 average- 2/ 1.40 1.45 1.47 Mi n imum (cut-off) cell vol tage (V) 1.25 1.31 IlThe capacity and the voltages at any discharge rate below 300 A but not shown on the table shall be respectively at least equal to the capacity and the voltages at the next higher ra
13、te shown. 2/The average voltage is defined as the average of voltage recordings taken at equal intervals, starting with the first recording (taken between 1/2 minute and 1 minute after applying a constant rate) and including the last recording. The interval of recording shall be not greater than h/5
14、 hours where h is the time in hours of the rated capacity of the test. The time to the last recording shall be not areater than the rated time. without the occurrence of grounds, shorted cells, capacity loss or other factors limiting the battery performance. The partial cyole is defined as a dischar
15、ge up to 400 Ah at any rate of table I followed by a recharge at 100 A to the cut-off voltage recommended by the service manual. The battery shall be capable of meeting this requirement during the first 12 months of its life. 1.1.2 Life. The batterv. when installed. shall be caaable of Except as-req
16、uired by 4.6.3.2, the capacity shall be-at least 500 Ah when 1 discharged at 100 A to a voltage cutoff of 1.35 volts. 3.3.3 Charge. I input at least equal to 90 percent of the Ah output obtained in the prior d i sc har ge . Provided by IHSNot for ResaleNo reproduction or networking permitted without
17、 license from IHS-,-,-DO D-B -2 4 5 05 C ( S H ) I 3.3.3.2 Charge acceptance, The battery or single cells shall be in 16 hours or less, a full charge as defined in 3.3.3.1 under any one or a combination of the following conditions: (a) After a discharge at any of the rates and for the corresponding
18、cut-off voltages shown in table I. (b) Using any charging rate or combination of rates up to 100 A as selected by the Naval Sea Systems Command (NAVSEA). (c) An electrolyte starting temperature as low as OC 2 3OC. (d) An ambient pressure as high as 7,000 kilopascals (kPa). or the connectors, each ce
19、ll shall be provided with means of charging or discharging it individually at a current up to 20 A, if desired, for 5- bal anc ing or trouble shooting purpose s. 3.3.4 Cell terminals. The temperature at the top of the positive not exceed 6OoC at any time during a discharge at 300 A when tested as sp
20、ecified in 4.6.3.7. 3.3.5 Hydrogen evolution. Hydrogen evolution from any charged cell shall not exceed 20 milliliters (mL) per hour average over a 24-hour period when the cell is maintained on open circuit 25OC 2 3OC. when measured as specified in 4.6.4.2. - type VIIIB, class 2 and epoxy-resin in a
21、ccordance with MIL-R-9300, type I, grade D, form A or B. The fabricated laminate shall meet the require- ments of MIL-P-25421, type I, class 2. Samples for testing may be taken from trim material or a concurrent flat panel may be fabricated along side the box and cover using the same procedure as th
22、at used on the box and cover. The hanger shall be constructed of aluminum alloy in accordance with ASTM B 209, alloy 6061, welded in accordance with MIL-W-8604 and finished in accordance with MIL-C-22750 and MIL-C-22751, white No. 7785 in accordance with FED-STD-595. Mounting holes in the hanger sha
23、ll be drilled by the contractor using the Government-loaned tool (see 3.8). 3.4.2 Mass. The mass of each battery box and cell shall not exceed 1185 kg and 13 kg respectively. The mass of the battery box is complete with cells, electrolyte, compensating oil, scanners, shunt, fuses, elec- trical cable
24、s, connector plate and battery case and cover with compensation and vent fittings. The mass of each cell is complete with electrolyte (and not including oil). 5 I- l Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-B-24505C bL H 3397706 008970 7 c
25、 DOD-B-24505C( SH) 3.4.3 Cell jar. Cell jars shall be molded out of polysulfone in accordance with MIL-P-46120 usinn the Government-owned mold (see 3.8) and be inspected in accordance with 4.6.1.1. Typical configuration is shown on figure 3. Cell jars shall be supported by neoprene pads 3 mm thick w
26、ith 6 mm clearance around all edges. 3.4.4 Cellcover. Cell covers shall be molded out of the same material as the jar material using the Government-owned mold (see 3.8) specified in the contract or order (see 6.2.1) and be inspected in accordance with 4.6.1.1. Typical configuration is shown on figur
27、e 4, -= 3.4.5 Cover-to-jar sealing. The cover-to-jar sealing shall be 3M compound 3520 structural adhesive or equal. 3.4.6 Electrode pack, 3.4.6.1 Grids. Silver shall be used for the positive and negative grids supporting the active materials. The equivalent thickness of each grid (positive or negat
28、ive) when reduced to a solid sheet of the same mass and same apparent electrode area, shall be at least 0.05 mm. 3.4.6.2 _I Tabs. Silver shall be used for the positive and negative electrode tabs attached to the terminal base. The tab area below the top of the grid shall be at least 90 percent hot-f
29、orge bonded to the grid. 3.4.6.3 Silver active material. Silver active material amount shall be at least a nominal 3.65 grams per Ah, based on the 700-Ah capacity. 3.4.6.4 Electrode construction. The positive electrodes shall have smooth edges, and corners rounded to a radius of at least 6 mm. The n
30、egative electrode grids shall have smooth edges, and corners rounded to a radius of at least 6 mm. 3.4.6.5 Negative electrode. The use of mercury in the negative electrode is prohibited. A mercury substitute designated as NAVSEC I (1 percent lead oxide and 2 percent cadmium oxide) shall be used. 3.4
31、.6.6 Separator system. The separator system shall be as follows: (a) The separator system shall consist, from positive electrode to negative electrode, of a positive absorbent material layer, cellophane-type main separator layers and a negative absorbent material layer. (b) The positive and negative
32、 absorbent material shall be at least 0.08 to 0.17 mm thick. The material shall be a layer of nonwoven polyamide material from Pellon Corporation, or equal. The top shall be 5 to 6 mm over the top of the electrodes. (battery grade) (as is or treated) alone or in combination with Union Carbide Fibrou
33、s Sausage Casing (battery grade), or equal. The overall wet thickness of the combined layers of this material when swollen in the specified electrolyte, shall be at least 0.45 mm. The main separator height over the top of the electrodes shall be at least 50 mm. (0) The main separator shall be Dupont
34、 Cellophane PUDO-193 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE II. Maximum concentration of impurities in electrolyte. Impur it ie s - - P
35、otassium carbonate Chloride (as Ci) Sulfate (as SO4) Nitrogen compounds (as N) Ammonium hyd r ox id e pr ec i pi ta te Phosphate (as PO41 Iron Sodium Other metals total combined Reducing material ote: Reducing material shall be d - Maximum concentration (percent based on mass) - 0.50 percent O. 005
36、percent 0.002 percent O. O01 percent 0.01 percent 5 p/m 5 p/m 0.02 percent 2 p/m See note ermined at 75OC + 5OC in an P acid medium by a maximum of 1.5 mL of 0.001 normal potassium permanganate solution reacting completely with reducing material contained in a 10 mL sample of KOH solut ion. 3.4.10.2
37、 Level indication. The manufacturer shall provide a device by which the electrolyte level may be determined for the purpose of electrolyte adjustment. 3.4.10.3 Level. At no time during operation shall the electrolyte level variation be more than 50 mm from the highest level to the lowest level. 3.4.
38、10.4 Entrainment eliminator. Each cell shall be fitted with an electrolyte entrainment eliminator which shall be attached to the vent hole in the cell cover, The eliminator shall prevent carry-over of electrolyte from the cell to the oil-filled battery box under the conditions of battery usage and o
39、peration. Baffles may be used under the vent hole to assist in entrainment elimination, The entrainment eliminator shall meet the test specified in 4.6.3.8. 3.4.11 Cooling. No internal cell cooling device requiring the circulation of coolant is permitted, Cooling shall only be by natural convection
40、of the dielectric oil filling the spaces between the cells. ;* i“ 1.4.12 Gas-tightness. Cells shall be caoable of withstanding 35 kPa differential air pressure for 5 minutes without loss of pressure. be furnished per battery, Cell markers shall be consecutivfly numbered from 1 through 76, preceded b
41、y the battery number given by NAVSEA (for example 4-25 for battery number and cell number). The cell markers shall be attached to the tops of the cells. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-E-24505C bL m 7779706 0087473 4 m -* 1 3.4.13
42、.2 Serial numbers. The manufacturers serial numbers shall be visible from the top of the installed cells and shall be indelibly marked. The serial number shall consist of five digits: the first two digits shall represent the year of manufacture and the last three digits shall be serially assigned by
43、 the manufacturer. 3.4.14 Battery definition. When only cells are specified see 6.2. I), the batteries shall consist only of cells. 3.4.15 Battery assembly. When specified (see 6.2.1) , the battery assembly shall be completed as specified herein and all inspection on cables of 4.4.2 shall apply. ins
44、ide the battery box, including, but not limited to, cell terminals, intercell and battery connectors, fuses, shunt, metal screws or bolts, and connection to compensating systems, shall be insulated in such a manner that no electrolyte or seawater can come in contact with the metal of these items at
45、any time to cause grounds during the life of the battery. Insulation material applied to intercell connectors shall not require more than 24 hours of removal, application and cure. Potting and encapsulating procedure shall comply with MIL-M-24041 and appendix A herein. 3.4.15.1 Metal insulation. Pos
46、sible sources of electrical potential 3.4.15.2 Cell voltage scanner, Each battery box shall contain a cell voltage scanner see 3.8) furnished by the Government for use with a monitoring system. The scanner mass shall be not more than 22 kilograms (kg) which shall be included in total battery mass. 3
47、.4.15.3 Fuses. A 700 A fuse shall be furnished between each power connector and the battery, Each individual cell voltage (ICV) wire shall have a removable 10 A fuse connected in line, located as close as possible to the cell terminal. 3.4.15.4 ICV wiring and signal cables. Wiring for individual cel
48、l voltage leads shall be in accordanc with MIL-W-16878. 16-gage wire, except that silver plated conductor is not required. The wiring-shall be provided with connections at both ends of the harness. Insulation material shall be resistant to potassium hydroxide (KOH), seawater, and dielectric oil see
49、3.4.18) , and capable of withstanding the specified temperature range (see 3.5. I). The wiring arrangement shall be as shown on figure 2. Signal cables shall be in accordance with MIL-C-915 and MIL-C-915/58, type MFW-19. Hypalon compound “OH23 may be added as an additonal layer of insulation on ICV wiring and signal cables. ICV wiring and signal cables shall be certified as passing the cable inspection
