Technical Brochure Tadiran Lithium Batteries LTC-Batteries 3.6 V 1280 Wh/dm 40 ...+85 C Li/SOCl 2 1 Basic Information Tadiran Batteries Technical Brochure require a lightweight power source providing safe and 1.1 Tadiran Batteries GmbH reliable performance over a wide range of environmental conditions, for long periods of time. Tadiran Batteries GmbH is one of the leading manufac- turers of primary (non rechargeable) lithium batteries in The battery marking includes High Energy Lithium Bat- Europe. tery or Inorganic Lithium Battery. This is an indication for the electrochemical system, lithium thionyl chloride. The company was founded as a Joint Venture between The battery s major advantages are: Tadiran and Sonnenschein in 1984 and - under the name of Sonnenschein Lithium - has successfully High cell voltage. served the market for more than 20 years. The battery has an open-circuit voltage of 3.67 V and Together with its parent company Tadiran Batteries Ltd., an operating voltage of 3.60 V, which are considerably the company is continuously improving its performance higher than in any other commercially available primary with regard to products, highest quality and customer battery. service. Tadiran Batteries Ltd. is fully owned by Saft groupe S.A. Wide temperature range. (Euronext: SAFT). The batteries are capable of operation in a wide temper- The main focus of the company is to achieve a max- ature range normally from 55 C to +85 C. One series imum customer satisfaction. Thus the guide line is to has an extended temperature range up to 130 C. See be the best in design-in, in full technical support and paragraph 2.10 for more details. logistics. High energy density. The company is committed to the world class philos- The lithium thionyl chloride electrochemical system ophy. The management system is certified to ISO 9001 exhibits the highest energy density of any available pri- and - since 1999 - to ISO 14001. mary battery: up to 650 Wh/kg and 1280 Wh/dm. Tadiran Batteries GmbH employs approx. 100 people and has its production facilities in Bdingen, close to Superior shelf life and reliability. Frankfurt, Germany. The Tadiran Lithium Battery has an outstandingly long The company is a leader in the development of lithium shelf life and reliability. Tests have shown that storage for batteries for industrial use. Its Lithium Thionyl Chloride ten years at room temperature results in a capacity loss (LTC) technology is well established for more than of less than 1 % per year. 25 years. Tadiran LTC-Batteries are suitable where a Failure rates in memory back-up applications were found 3.6 Volt high energy primary battery is required for up to to be below 200 fit (fit: failures in time. 1 fit = 1 failure in ten years and more stand alone operation. 9 10 component hours) this corresponds to 0.175 % per The PulsesPlus technology, providing high current year. pulses in combination with high energy, has been suc- cessfully introduced into the market and plays a signifi- Safety. cant role especially in the asset tracking and monitoring The safety of the Tadiran Lithium Battery design has market segment. been proven by more than 25 years of experience in the market and more than 100 millions of batteries in The TLM technology has been developed recently for the field with no reported incidents. The complete line applications requiring high power discharge after a long of products is recognized and regularly supervised by storage time, e.g. as a back up battery for emergency Underwriters Laboratories. call devices in automotive telematic systems. Hermetically sealed case. The hermetically sealed case is essential for the long shelf life and inherent safety of the devices in which 1.2 The Tadiran Lithium Battery the batteries are used. The cover is welded to the can. A glass-to-metal seal is used to insulate the positive The scope of this Technical Brochure are inorganic terminal. lithium batteries of the lithium thionyl chloride (LTC) system. The Tadiran Lithium Battery is a power source that is suited to the requirements of modern electronics. For example, CMOS memories as well as utility meters 4.0 Figure 1-1 1 Comparison of different battery systems. The curves represent typical best values of 3.5 commercial cylindrical cells when discharged at 25 C with the 1000 hour rate. The area 2 3.0 under the curves corresponds to the energy density listed below. The list also gives a 3 note on the sealing method 2.5 3 4 1 Li/SOCl 1280 Wh/dm hermetically welded 2 2.0 3 2 Li/SO 430 Wh/dm hermetically welded 2 3 5 3 Li/CF 550 Wh/dm crimped elastomer sea x 1.5 3 4 Li/MnO 580 Wh/dm crimped elastomer seal or hermetically welded 6 2 3 1.0 5 Li/FeS 450 Wh/dm crimped elastomer sea 2 3 6 Alkaline 280 Wh/dm crimped elastomer seal 0.5 0.0 0 100 200 300 400 Ah /dm 2 Voltage /V