Reliable power is critical for industrial instruments, utility meters, remote monitoring systems, security equipment, and other electronic devices that must operate continuously for years with minimal maintenance.<\/p>\n
For these applications, a rechargeable battery is not always the optimal solution. Many remote and low-power devices require extremely low self-discharge, long shelf life, stable voltage, wide operating-temperature capability, and dependable operation over several years. Cloruro di litio e tionile (Li-SOCl\u2082)<\/strong> batteries are specifically designed for these demanding primary-power applications.<\/p>\n Li-SOCl\u2082 is a primary, non-rechargeable lithium battery chemistry<\/strong> based on a lithium anode and thionyl chloride catholyte. It offers high energy density, very low self-discharge, long storage life, and excellent performance in low-current and long-duration applications.<\/p>\n Typical applications include:<\/p>\n Unlike rechargeable lithium-ion batteries, Li-SOCl\u2082 batteries are not designed to be recharged<\/strong>. Battery selection and equipment architecture should therefore be based on the complete expected service life of the application.<\/p>\n Many industrial devices consume only a small amount of energy continuously.<\/p>\n For example, a remote sensor may operate at only several microamps during standby and wake up periodically to transmit data. A conventional rechargeable battery may not be ideal because the equipment may remain unattended for years.<\/p>\n Li-SOCl\u2082 technology provides several important advantages.<\/p>\n A properly designed Li-SOCl\u2082 cell can achieve a very low annual self-discharge rate, commonly around 1% per year or lower under controlled storage conditions<\/strong>, depending on cell design and operating temperature.<\/p>\n This makes the chemistry particularly suitable for:<\/p>\n 5\u201320 year service-life applications.<\/strong><\/p>\n Li-SOCl\u2082 batteries offer high energy density compared with many traditional primary battery chemistries.<\/p>\n Typical cell energy can be calculated as:<\/p>\n Energy (Wh) = Nominal Voltage \u00d7 Capacity (Ah)<\/strong><\/p>\n For example:<\/p>\n 3.6 V \u00d7 19 Ah = 68.4 Wh<\/strong><\/p>\n This relatively high energy content can be packaged into a compact cylindrical cell.<\/p>\n Li-SOCl\u2082 cells are suitable for equipment that may be stored for extended periods before installation.<\/p>\n Typical applications include:<\/p>\n The following values represent typical engineering ranges. Final specifications depend on the selected cell model, electrode design, operating conditions, and application.<\/p>\n *Actual values depend on the specific cell model and application conditions.<\/p>\n Li-SOCl\u2082 cells are available in multiple cylindrical formats to meet different capacity and current requirements.<\/p>\n Exact capacity varies by manufacturer, discharge current, cutoff voltage, temperature, and test conditions.<\/p>\n Instrumentation applications often require extremely reliable long-term power rather than high instantaneous output.<\/p>\n Typical equipment includes:<\/p>\n A typical industrial sensor may spend most of its life in a low-power state.<\/p>\n For example:<\/p>\n Average current: 100 \u03bcA<\/strong><\/p>\n Battery capacity: 19 Ah<\/strong><\/p>\n The theoretical operating time is:<\/p>\n 19 Ah \u00f7 0.0001 A = 190,000 hours<\/strong><\/p>\n Equivalent to approximately:<\/p>\n 21.7 years<\/strong><\/p>\n Actual service life will be shorter because of self-discharge, pulse loads, temperature effects, aging, voltage limitations, and the electronic system’s actual consumption profile.<\/p>\n This illustrates why Li-SOCl\u2082 is well suited to long-life industrial instrumentation.<\/p>\n Smart metering is one of the most important applications for Li-SOCl\u2082 batteries.<\/p>\n Typical equipment includes:<\/p>\n These devices may need to operate for many years without battery replacement.<\/p>\n A typical meter battery may require:<\/p>\n 3.6 V \/ 3.6 Ah<\/strong><\/p>\n or:<\/p>\n 3.6 V \/ 19 Ah<\/strong><\/p>\n depending on the communication method, measurement frequency, transmission power, and expected service life.<\/p>\n The battery must support both:<\/p>\n Low continuous current<\/strong><\/p>\n e<\/p>\n Short-duration pulse current<\/strong><\/p>\n because wireless communication can create short current peaks.<\/p>\n One of the most important technical characteristics of Li-SOCl\u2082 batteries is passivation<\/strong>.<\/p>\n During storage and low-current operation, a protective film can form on the lithium anode. This passivation layer helps reduce self-discharge and contributes to the battery’s long shelf life.<\/p>\n However, when the device suddenly requires a high pulse current, passivation can temporarily increase voltage drop.<\/p>\n This phenomenon is particularly important for devices using:<\/p>\n Therefore, simply selecting a high-capacity Li-SOCl\u2082 cell does not guarantee good pulse performance.<\/p>\n The battery system should be evaluated according to:<\/p>\n For demanding pulse applications, battery design may incorporate a suitable pulse-support capacitor or hybrid pulse solution<\/strong>. Such components must be engineered according to the specific application and should not be confused with a rechargeable Li-ion battery.<\/p>\n Li-SOCl\u2082 battery selection should distinguish between continuous and pulse loads.<\/p>\n For long-life products, average current is often more important than nominal capacity alone<\/strong>.<\/p>\n A proper battery-life calculation should consider the complete load profile.<\/p>\n Industrial equipment may operate in harsh environments.<\/p>\n Applications can include:<\/p>\n Depending on the selected Li-SOCl\u2082 cell, operating temperatures may extend approximately from:<\/p>\n Da -60\u00b0C a +85\u00b0C<\/strong><\/p>\n However, maximum performance is not identical across the entire temperature range.<\/p>\n Low temperatures can affect:<\/p>\n High temperatures can increase:<\/p>\n Therefore, the cell should be selected according to the actual environmental profile rather than simply choosing a battery based on nominal capacity.<\/p>\n Industrial Li-SOCl\u2082 batteries generally use a hermetically sealed cylindrical construction.<\/p>\n Typical structural components include:<\/p>\n Lithium Metal Anode<\/strong><\/p>\n Provides the electrochemical energy source.<\/p>\n Thionyl Chloride Catholyte<\/strong><\/p>\n Acts as the active cathode material\/electrolyte system.<\/p>\n Carbon Cathode<\/strong><\/p>\n Provides the reaction interface.<\/p>\n Separator<\/strong><\/p>\n Maintains electrical separation between the electrodes.<\/p>\n Hermetic Metal Can<\/strong><\/p>\n Provides mechanical protection and sealing.<\/p>\n The sealed construction is important for long-term industrial applications where reliability and environmental resistance are required.<\/p>\n Although many Li-SOCl\u2082 applications use a single 3.6 V cell, customized battery packs can be developed for higher voltage requirements.<\/p>\n For example:<\/p>\n 1S1P<\/strong><\/p>\n Suitable for:<\/p>\n 2S1P<\/strong><\/p>\n Suitable for:<\/p>\n 3S1P<\/strong><\/p>\n Suitable for:<\/p>\n 4S1P<\/strong><\/p>\n Suitable for:<\/p>\n Series configurations increase voltage, while parallel configurations increase capacity.<\/p>\n However, Li-SOCl\u2082 is a primary battery chemistry<\/strong>, and the pack must be designed specifically for the intended application. It should not be treated like a rechargeable lithium-ion pack.<\/p>\n Li-SOCl\u2082 batteries contain metallic lithium and reactive electrolyte materials and must be handled as primary lithium batteries.<\/p>\n Important rules include:<\/p>\n Li-SOCl\u2082 batteries are non-rechargeable.<\/strong><\/p>\n They must never be connected to a standard lithium-ion charger or subjected to uncontrolled charging current.<\/p>\n External short circuits can cause rapid current flow and heat generation.<\/p>\n The battery must be installed according to the specified polarity.<\/p>\n Do not crush, puncture, disassemble, weld directly to the cell body, or expose the battery to uncontrolled heat.<\/p>\n Cell chemistry, capacity, pulse performance, temperature range, and physical dimensions must all match the equipment requirements.<\/p>\n For commercial industrial applications, documentation and transportation compliance should be considered during the product-development stage.<\/p>\n Typical documentation may include:<\/p>\n The exact certification and transportation requirements depend on battery configuration, market, transport method, and destination country.<\/p>\n A preliminary battery-life calculation can be made using:<\/p>\n Battery Life \u2248 Available Capacity \u00f7 Average Current<\/strong><\/p>\n For example:<\/p>\n Battery:<\/p>\n 3.6 V \/ 19 Ah<\/strong><\/p>\n Average load:<\/p>\n 200 \u03bcA<\/strong><\/p>\n The theoretical operating time is:<\/p>\n 19 Ah \u00f7 0.0002 A = 95,000 hours<\/strong><\/p>\n or approximately:<\/p>\n 10.8 years<\/strong><\/p>\n However, this is only a theoretical calculation.<\/p>\n Actual battery life depends on:<\/p>\n For this reason, professional battery sizing should be based on the complete equipment load profile.<\/p>\n The key distinction is simple:<\/p>\n Li-SOCl\u2082 is designed to provide reliable primary power for long periods without recharging.<\/strong><\/p>\n It should not be selected merely because it has a similar nominal voltage to rechargeable lithium-ion cells.<\/p>\n Li-SOCl\u2082 primary lithium batteries are an excellent power solution for equipment where long service life, ultra-low self-discharge, compact size, wide temperature capability, and maintenance-free operation<\/strong> are more important than rechargeability.<\/p>\n They are particularly valuable for:<\/p>\n Instrumentation + Smart Metering + IoT + Remote Monitoring + Industrial Sensors + Security Systems + Utility Equipment<\/strong><\/p>\n A successful Li-SOCl\u2082 battery design should consider much more than nominal capacity.<\/p>\n The most important parameters include:<\/p>\n Tensione nominale<\/strong> For industrial applications, PKCELL can provide customized Li-SOCl\u2082 primary lithium battery solutions<\/strong> in different cylindrical formats and capacities, including cells and customized battery packs for smart meters, IoT devices, industrial sensors, measuring equipment, GPS trackers, security systems, and remote monitoring equipment.<\/p>\n Chemistry:<\/strong> Cloruro di litio e tionile (Li-SOCl\u2082) Important:<\/strong> Li-SOCl\u2082 batteries are primary batteries and must not be recharged<\/strong>. Final cell selection should be validated against the equipment’s complete electrical load profile, pulse requirements, environmental conditions, and required service life.<\/p>","protected":false},"excerpt":{"rendered":" High-Reliability Primary Lithium Batteries for Instrumentation, Metering & Industrial Monitoring Executive Summary Reliable power is critical for industrial instruments, utility meters, remote monitoring systems, security equipment, and other electronic devices that must operate continuously for years with minimal maintenance. For these applications, a rechargeable battery is not always the optimal solution. Many remote and low-power […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-75820","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/posts\/75820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/comments?post=75820"}],"version-history":[{"count":2,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/posts\/75820\/revisions"}],"predecessor-version":[{"id":75825,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/posts\/75820\/revisions\/75825"}],"wp:attachment":[{"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/media?parent=75820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/categories?post=75820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pkcell.com\/it\/wp-json\/wp\/v2\/tags?post=75820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
<\/h1>\n
Why Choose Li-SOCl\u2082 for Long-Life Equipment?<\/h1>\n
Ultra-Low Self-Discharge<\/h3>\n
Alta densit\u00e0 energetica<\/h3>\n
Lunga durata di conservazione<\/h3>\n
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<\/h1>\n
Typical Li-SOCl\u2082 Technical Parameters<\/h1>\n
\n\n
\n \nParameter<\/th>\n Typical Specification<\/th>\n<\/tr>\n<\/thead>\n \n Battery Chemistry<\/td>\n Lithium Thionyl Chloride<\/td>\n<\/tr>\n \n Tipo di batteria<\/td>\n Primary \/ Non-Rechargeable<\/td>\n<\/tr>\n \n Tensione nominale<\/td>\n 3.6 V<\/td>\n<\/tr>\n \n Operating Voltage<\/td>\n Approx. 2.0\u20133.6 V<\/td>\n<\/tr>\n \n Capacit\u00e0<\/td>\n 0.5\u201338 Ah<\/td>\n<\/tr>\n \n Energy<\/td>\n Approx. 1.8\u2013137 Wh<\/td>\n<\/tr>\n \n Autoscarica<\/td>\n \u22641%\/year typical*<\/td>\n<\/tr>\n \n Temperatura di esercizio<\/td>\n Approx. -60\u00b0C to +85\u00b0C*<\/td>\n<\/tr>\n \n Temperatura di stoccaggio<\/td>\n Approx. -60\u00b0C to +85\u00b0C*<\/td>\n<\/tr>\n \n Cell Format<\/td>\n Cilindrico<\/td>\n<\/tr>\n \n Pulse Discharge<\/td>\n Application-dependent<\/td>\n<\/tr>\n \n Continuous Discharge<\/td>\n Application-dependent<\/td>\n<\/tr>\n \n Durata di conservazione<\/td>\n Up to 10\u201320 years*<\/td>\n<\/tr>\n \n Construction<\/td>\n Hermetically sealed<\/td>\n<\/tr>\n \n Ricaricabile<\/td>\n No<\/strong><\/td>\n<\/tr>\n \n Typical Voltage<\/td>\n 3.6 V<\/td>\n<\/tr>\n \n Chimica<\/td>\n Li \/ SOCl\u2082<\/td>\n<\/tr>\n \n Applicazioni<\/td>\n Metering \/ IoT \/ Instrumentation \/ Monitoring<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Typical Li-SOCl\u2082 Cell Models<\/h1>\n
\n\n
\n \nModello<\/th>\n Tensione nominale<\/th>\n Capacit\u00e0 tipica<\/th>\n Typical Application<\/th>\n<\/tr>\n<\/thead>\n \n ER14250<\/td>\n 3.6 V<\/td>\n 1.0\u20131.2 Ah<\/td>\n Sensori, misuratori<\/td>\n<\/tr>\n \n ER14335<\/td>\n 3.6 V<\/td>\n 1.5\u20132.0 Ah<\/td>\n IoT, security<\/td>\n<\/tr>\n \n ER14505<\/td>\n 3.6 V<\/td>\n 2.4\u20132.7 Ah<\/td>\n Meters, monitoring<\/td>\n<\/tr>\n \n ER18505<\/td>\n 3.6 V<\/td>\n 3.5\u20134.0 Ah<\/td>\n Industrial sensors<\/td>\n<\/tr>\n \n ER17500<\/td>\n 3.6 V<\/td>\n 3.5\u20133.6 Ah<\/td>\n Instrumentation<\/td>\n<\/tr>\n \n ER26500<\/td>\n 3.6 V<\/td>\n 7.0\u20139.0 Ah<\/td>\n Industrial meters<\/td>\n<\/tr>\n \n ER34615<\/td>\n 3.6 V<\/td>\n 13\u201320 Ah<\/td>\n Smart metering<\/td>\n<\/tr>\n \n ER341245<\/td>\n 3.6 V<\/td>\n 25\u201338 Ah<\/td>\n Large industrial systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/h1>\n
Li-SOCl\u2082 for Instrumentation & Measuring Equipment<\/h1>\n
\n
<\/h1>\n
Smart Meter Battery Technology<\/h1>\n
\n
<\/h1>\n
Pulse Current & Passivation<\/h1>\n
\n
\n
<\/h1>\n
Continuous Current vs. Pulse Current<\/h1>\n
\n\n
\n \nLoad Type<\/th>\n Typical Requirement<\/th>\n Recommended Design Focus<\/th>\n<\/tr>\n<\/thead>\n \n Low-power sensor<\/td>\n \u03bcA\u2013mA<\/td>\n Capacity & self-discharge<\/td>\n<\/tr>\n \n Data logger<\/td>\n mA range<\/td>\n Energy + temperature<\/td>\n<\/tr>\n \n Smart meter<\/td>\n Low average + pulse<\/td>\n Pulse capability<\/td>\n<\/tr>\n \n GPS tracker<\/td>\n Low average + high pulse<\/td>\n Pulse-support design<\/td>\n<\/tr>\n \n Wireless IoT<\/td>\n Low average + RF pulse<\/td>\n Passivation management<\/td>\n<\/tr>\n \n Alarm system<\/td>\n Low standby + short pulse<\/td>\n Voltage stability<\/td>\n<\/tr>\n \n Industrial monitor<\/td>\n Low\/medium current<\/td>\n Long service life<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Temperature Performance<\/h1>\n
\n
\n
\n
Battery Construction<\/h1>\n
Battery Pack Configurations<\/h1>\n
3.6 V<\/h3>\n
\n
7.2 V<\/h3>\n
\n
10.8 V<\/h3>\n
\n
14.4 V<\/h3>\n
\n
Safety & Handling<\/h1>\n
Do Not Recharge<\/h3>\n
Avoid Short Circuit<\/h3>\n
Correct Polarity<\/h3>\n
Avoid Mechanical Damage<\/h3>\n
Use the Correct Cell<\/h3>\n
Certification & Transportation<\/h1>\n
\n
Li-SOCl\u2082 Application Selection Matrix<\/h1>\n
\n\n
\n \nApplicazione<\/th>\n Recommended Cell<\/th>\n Main Requirement<\/th>\n Typical Service Target<\/th>\n<\/tr>\n<\/thead>\n \n Smart Water Meter<\/td>\n ER14505 \/ ER18505<\/td>\n Low self-discharge<\/td>\n 5\u201310+ years<\/td>\n<\/tr>\n \n Smart Gas Meter<\/td>\n ER26500 \/ ER34615<\/td>\n Capacity + pulse<\/td>\n 10\u201320 years<\/td>\n<\/tr>\n \n Temperature Sensor<\/td>\n ER14250 \/ ER14335<\/td>\n Compact size<\/td>\n 5\u201310 years<\/td>\n<\/tr>\n \n Industrial Sensor<\/td>\n ER17500 \/ ER18505<\/td>\n Long life<\/td>\n 5\u201315 years<\/td>\n<\/tr>\n \n GPS Tracker<\/td>\n ER14505 \/ ER18505<\/td>\n Pulse performance<\/td>\n Application-dependent<\/td>\n<\/tr>\n \n IoT Sensor<\/td>\n ER14250 \/ ER14505<\/td>\n Low current<\/td>\n 5\u201310+ years<\/td>\n<\/tr>\n \n Data Logger<\/td>\n ER18505 \/ ER26500<\/td>\n Stable output<\/td>\n 5\u201315 years<\/td>\n<\/tr>\n \n Pipeline Monitor<\/td>\n ER26500 \/ ER34615<\/td>\n Long life + temperature<\/td>\n 10+ anni<\/td>\n<\/tr>\n \n Security System<\/td>\n ER14505 \/ ER17500<\/td>\n Reliability<\/td>\n 5\u201310 years<\/td>\n<\/tr>\n \n Remote Instrument<\/td>\n ER26500 \/ ER34615<\/td>\n Alta capacit\u00e0<\/td>\n 10+ anni<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Battery Life Calculation<\/h1>\n
\n
\u00a0Why Li-SOCl\u2082 Is Different from Rechargeable Lithium Batteries<\/h1>\n
\n\n
\n \nCaratteristica<\/th>\n Li-SOCl\u2082 Primary Battery<\/th>\n Rechargeable Li-ion<\/th>\n<\/tr>\n<\/thead>\n \n Ricaricabile<\/td>\n No<\/strong><\/td>\n S\u00ec<\/td>\n<\/tr>\n \n Nominal Cell Voltage<\/td>\n 3.6 V<\/td>\n 3.6\u20133.7 V<\/td>\n<\/tr>\n \n Autoscarica<\/td>\n Very low<\/td>\n Pi\u00f9 alto<\/td>\n<\/tr>\n \n Long-Term Storage<\/td>\n Eccellente<\/td>\n More limited<\/td>\n<\/tr>\n \n Typical Application<\/td>\n Remote equipment<\/td>\n Portable electronics<\/td>\n<\/tr>\n \n Service Life<\/td>\n Multi-year<\/td>\n Cycle-dependent<\/td>\n<\/tr>\n \n Pulse Performance<\/td>\n Application-dependent<\/td>\n Generally high<\/td>\n<\/tr>\n \n Manutenzione<\/td>\n Very low<\/td>\n Requires charging<\/td>\n<\/tr>\n \n Typical Use<\/td>\n Metering \/ IoT \/ Sensors<\/td>\n Tools \/ consumer electronics<\/td>\n<\/tr>\n \n Main Advantage<\/td>\n Long-term primary power<\/td>\n Reusability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Conclusione<\/h1>\n
\nCapacit\u00e0<\/strong>
\nAverage Current<\/strong>
\nCorrente d'impulso<\/strong>
\nPulse Duration<\/strong>
\nTemperatura di esercizio<\/strong>
\nTasso di autoscarica<\/strong>
\nExpected Service Life<\/strong>
\nCutoff Voltage<\/strong>
\nBattery Dimensions<\/strong>
\nConnector \/ Tabs<\/strong>
\nTransportation Requirements<\/strong><\/p>\nTypical PKCELL Li-SOCl\u2082 Solution Range<\/h3>\n
\nType:<\/strong> Primary \/ Non-Rechargeable
\nTensione nominale:<\/strong> 3.6 V
\nCapacit\u00e0:<\/strong> 0.5\u201338 Ah
\nOperating Temperature:<\/strong> approximately -60\u00b0C to +85\u00b0C depending on cell model
\nSelf-Discharge:<\/strong> \u22641%\/year typical under specified conditions
\nConfiguration:<\/strong> 1S1P \/ 2S1P \/ 3S1P \/ customized
\nFormats:<\/strong> ER14250 \/ ER14335 \/ ER14505 \/ ER17500 \/ ER18505 \/ ER26500 \/ ER34615 and other customized formats
\nApplicazioni:<\/strong> Smart Meter \/ IoT \/ Instrumentation \/ Industrial Monitoring \/ Security \/ GPS \/ Remote Sensors<\/p>\n