> Quick answer: The research does not specify any particular proprietary technology that enables solar lamp batteries to operate reliably at -25°C. Patents discuss various thermal management techniques like active heating and insulation but do not detail specific mechanisms for such extreme temperatures [1][6][9].
Understanding Battery Thermal Management in Solar Lamps
The quest for reliable solar lamps capable of operating at extremely low temperatures, such as -25°C, has led to a closer examination of battery thermal management systems. This article delves into the available patents and technologies that attempt to solve this challenge, providing insights into how these systems work and why specific proprietary solutions are not widely disclosed.
Patent Insights on Battery Thermal Management
The provided research does not pinpoint any exact patent or proprietary technology enabling solar lamp batteries to operate at -25°C [1][6][9]. However, several patents discuss battery thermal management in various contexts:
- Lithium-ion Battery Heater Systems: US10069176B2 describes a system with a heating element and electronic controller to regulate temperature under low ambient conditions [1].
- Thermal Management for Outdoor Equipment: US6533031B1 outlines the use of heat-conducting plates and thermal insulation to maintain operational temperatures in outdoor settings [6].
- Low-Temperature Charging Systems: CN103427137B details a battery heating system that activates when the temperature falls below a threshold, ideal for cold conditions [9].
These patents suggest that active heating is generally used to prevent battery failure in sub-zero temperatures. However, they do not provide specific details on mechanisms enabling operation at -25°C.
Comparing Thermal Management Techniques
| Technique | Description |
|–––––––––|–––––––––––––––––––––––––––––––––|
| Active Heating | Uses a heating element and controller to maintain battery temperature [1]|
| Insulation | Employs thermal insulation to prevent heat loss [6]|
| Low-Temperature Charging | Includes systems that activate heating when the battery temperature drops below a certain level [9]|
Gaps in Patent Information
Despite multiple patents addressing battery thermal management, none provide detailed information on how solar lamps specifically manage temperatures at -25°C. Key gaps include:
- Heating Mechanism: The specific type of heater (e.g., resistive, Peltier device) is not disclosed.
- Control Logic: Details on the control logic for activating heating are missing.
- Power Consumption: There is no data on the power consumption of the heating system.
- Materials Used: Information on thermal insulation and heat transfer materials is absent.
Conclusion
While patents confirm that battery thermal management systems exist in solar lamps to enable low-temperature operation, they do not specify proprietary technologies for operating at -25°C. Active heating and insulation are broadly used techniques, but the exact mechanisms remain undisclosed [1][6][9].
Key Takeaways
- No specific proprietary technology is identified for enabling solar lamp batteries to operate at -25°C.
- Patents discuss active heating and thermal insulation as general methods for cold environments [1][6][9].
- Detailed technical information on power consumption, materials used, and control logic for these systems is lacking.
Frequently Asked Questions
„`json
[
{
„q”: „What types of battery heaters are commonly used in solar lamps?”,
„a”: „Commonly used battery heaters include resistive heaters and Peltier devices. These heating elements help maintain optimal temperatures, especially in cold conditions [1].”
},
{
„q”: „How do low-temperature charging systems work?”,
„a”: „Low-temperature charging systems activate when the battery temperature drops below a certain threshold. They use active heating to warm up the batteries for efficient operation [9].”
},
{
„q”: „Why are specific thermal management details not widely disclosed in patents?”,
„a”: „The lack of detailed information may be due to proprietary concerns, where companies keep specific mechanisms as trade secrets rather than disclosing them publicly [1][6][9].”
}
]
„`
References
- [1] Lithium_ion_battery_heater_systems_and_methods__2da8bb7b — patent
source passage
# Lithium ion battery heater systems and methods Source: Blog/Web URL: https://patents.google.com/patent/US10069176B2/en Author: Date: 2017-10-23 US10069176B2 – Lithium ion battery heater systems and methods – Google Patents Lithium ion battery heater systems and methods Download PDFInfo – Publication number – US10069176B2 US10069176B2 US15/790,552 US201715790552A US10069176B2 US 10069176 B2 US10069176 B2 US 10069176B2 US 201715790552 A US201715790552 A US 201715790552A US 10069176 B2 US10069176 B2 US 10069176B2 – Authority – US – United States – Prior art keywords – battery – temperature – voltage – electronic controller – heating element – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active Links Images Classifications – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secondary cells; Manufacture thereof – H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells – H01M10/44—Methods for charging or discharging – H01M10/443—Methods for charging or discharging in response to temperature – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secon
- [6] US6533031B1_-_Method_for_thermal_management_of_a_battery_in_an__1bc6e3c2 — patent
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# Method for thermal management of a battery in an outdoor equipment cabinet Source: Blog/Web URL: https://patents.google.com/patent/US6533031B1/en Author: Date: 2000-05-09 US6533031B1 – Method for thermal management of a battery in an outdoor equipment cabinet – Google Patents Method for thermal management of a battery in an outdoor equipment cabinet Download PDFInfo – Publication number – US6533031B1 US6533031B1 US09/567,528 US56752800A US6533031B1 US 6533031 B1 US6533031 B1 US 6533031B1 US 56752800 A US56752800 A US 56752800A US 6533031 B1 US6533031 B1 US 6533031B1 – Authority – US – United States – Prior art keywords – battery – providing – conducting plate – cabinet – heat conducting – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Expired – Fee Related Links Images Classifications – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secondary cells; Manufacture thereof – H01M10/60—Heating or cooling; Temperature control – H01M10/65—Means for temperature control structurally associated with the cells – H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FO
- [9] CN103427137B_-_The_low-temperature_charging_-_Google_Patents__1091cf76 — patent
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# The low-temperature charging heating system of power battery of pure electric automobile and heating means Source: Blog/Web URL: https://patents.google.com/patent/CN103427137B/en Author: Date: 2013-08-20 CN103427137B – The low-temperature charging heating system of power battery of pure electric automobile and heating means – Google Patents The low-temperature charging heating system of power battery of pure electric automobile and heating means Download PDFInfo – Publication number – CN103427137B CN103427137B CN201310364692.3A CN201310364692A CN103427137B CN 103427137 B CN103427137 B CN 103427137B CN 201310364692 A CN201310364692 A CN 201310364692A CN 103427137 B CN103427137 B CN 103427137B – Authority – CN – China – Prior art keywords – management system – temperature – electrokinetic cell – low – charging – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active Links – 238000010438 heat treatment Methods 0.000 title claims abstract description 59 – 238000000034 method Methods 0.000 claims abstract description 13 – 239000011449 brick Substances 0.000 claims description 16 – 238000004891 communication Methods 0.000 claims description 6 – 238000009413 insulation Methods 0.000 claims description 3 – 238000001514 detection method Methods 0.000 claims description 2 – 238000007726 management method Methods 0.000 descri
# Lithium ion battery heater systems and methods Source: Blog/Web URL: https://patents.google.com/patent/US10069176B2/en Author: Date: 2017-10-23 US10069176B2 – Lithium ion battery heater systems and methods – Google Patents Lithium ion battery heater systems and methods Download PDFInfo – Publication number – US10069176B2 US10069176B2 US15/790,552 US201715790552A US10069176B2 US 10069176 B2 US10069176 B2 US 10069176B2 US 201715790552 A US201715790552 A US 201715790552A US 10069176 B2 US10069176 B2 US 10069176B2 – Authority – US – United States – Prior art keywords – battery – temperature – voltage – electronic controller – heating element – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active Links Images Classifications – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secondary cells; Manufacture thereof – H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells – H01M10/44—Methods for charging or discharging – H01M10/443—Methods for charging or discharging in response to temperature – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secon
# Method for thermal management of a battery in an outdoor equipment cabinet Source: Blog/Web URL: https://patents.google.com/patent/US6533031B1/en Author: Date: 2000-05-09 US6533031B1 – Method for thermal management of a battery in an outdoor equipment cabinet – Google Patents Method for thermal management of a battery in an outdoor equipment cabinet Download PDFInfo – Publication number – US6533031B1 US6533031B1 US09/567,528 US56752800A US6533031B1 US 6533031 B1 US6533031 B1 US 6533031B1 US 56752800 A US56752800 A US 56752800A US 6533031 B1 US6533031 B1 US 6533031B1 – Authority – US – United States – Prior art keywords – battery – providing – conducting plate – cabinet – heat conducting – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Expired – Fee Related Links Images Classifications – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY – H01M10/00—Secondary cells; Manufacture thereof – H01M10/60—Heating or cooling; Temperature control – H01M10/65—Means for temperature control structurally associated with the cells – H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding – – H—ELECTRICITY – H01—ELECTRIC ELEMENTS – H01M—PROCESSES OR MEANS, e.g. BATTERIES, FO
# The low-temperature charging heating system of power battery of pure electric automobile and heating means Source: Blog/Web URL: https://patents.google.com/patent/CN103427137B/en Author: Date: 2013-08-20 CN103427137B – The low-temperature charging heating system of power battery of pure electric automobile and heating means – Google Patents The low-temperature charging heating system of power battery of pure electric automobile and heating means Download PDFInfo – Publication number – CN103427137B CN103427137B CN201310364692.3A CN201310364692A CN103427137B CN 103427137 B CN103427137 B CN 103427137B CN 201310364692 A CN201310364692 A CN 201310364692A CN 103427137 B CN103427137 B CN 103427137B – Authority – CN – China – Prior art keywords – management system – temperature – electrokinetic cell – low – charging – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active Links – 238000010438 heat treatment Methods 0.000 title claims abstract description 59 – 238000000034 method Methods 0.000 claims abstract description 13 – 239000011449 brick Substances 0.000 claims description 16 – 238000004891 communication Methods 0.000 claims description 6 – 238000009413 insulation Methods 0.000 claims description 3 – 238000001514 detection method Methods 0.000 claims description 2 – 238000007726 management method Methods 0.000 descri