{"project":{"acronym":"","projectId":9477,"title":"Mesoporous Silicon-Based Anodes for High Capacity, High Performance Li-ion Batteries","primaryTaxonomyNodes":[{"taxonomyNodeId":10601,"taxonomyRootId":8816,"parentNodeId":10600,"level":3,"code":"TX03.2.1","title":"Electrochemical: Batteries","definition":"Batteries store and convert chemical energy to electricity.","exampleTechnologies":"High-specific-energy, human-rated advanced secondary chemistries beyond lithium-ion, nanoelectronics, super/ultracapacitors, extreme environment energy storage, flow batteries","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":4,"endTrl":4,"benefits":"The new anodes will result in high performance Li-ion batteries suitable for electric vehicle propulsion and for use in portable consumer products such as cellular phones, portable power tools, cameras and laptop computers.
Principal NASA applications will include power for landers, rovers and extravehicular activities (EVA). Coupled with a suitable electrolyte Li-Ion cells based on this anode will be suitable for space-related applications, in moon and other planetary habitats etc, requiring high specific energy rechargeable batteries with unique attributes such as non-flammability and sub-ambient temperature operation.","description":"A new high capacity anode composite based on mesoporous silicon is proposed. By virtue of a structure that resembles a pseudo one-dimensional phase, the active anode material will be able to accommodate significant volume changes expected upon alloying and de-alloying with lithium. The mesoporosity will be created without the aid of a surfactant template using a novel high volume synthetic process. The anode composite based on this material is designed to have a reversible Li-ion capacity exceeding 600 mAh/g or nearly twice that obtainable with graphite anodes; indeed much higher capacities could be practically attainable. Phase I successfully demonstrated the synthesis of this new meso-Si material as well as its high electrochemical activity and rechargeability. An expanded investigation on the development of mesoporous Si-based Li-ion anode is the principal objective in Phase II. The optimum anode will be evaluated in Li-ion cells containing 4V oxide cathodes.","startYear":2011,"startMonth":6,"endYear":2013,"endMonth":6,"statusDescription":"Completed","principalInvestigators":[{"contactId":121022,"canUserEdit":false,"firstName":"Dharmasena","lastName":"Peramunage","fullName":"Dharmasena Peramunage","fullNameInverted":"Peramunage, Dharmasena","primaryEmail":"pera@eiclabs.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","primaryEmail":"jason.l.kessler@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":215154,"canUserEdit":false,"firstName":"Jennifer","lastName":"Gustetic","fullName":"Jennifer L Gustetic","fullNameInverted":"Gustetic, Jennifer L","middleInitial":"L","primaryEmail":"jennifer.l.gustetic@nasa.gov","publicEmail":true,"nacontact":false}],"programManagers":[{"contactId":62051,"canUserEdit":false,"firstName":"Carlos","lastName":"Torrez","fullName":"Carlos Torrez","fullNameInverted":"Torrez, Carlos","primaryEmail":"carlos.torrez@nasa.gov","publicEmail":true,"nacontact":false}],"projectManagers":[{"contactId":461333,"canUserEdit":false,"firstName":"Theresa","lastName":"Stanley","fullName":"Theresa M Stanley","fullNameInverted":"Stanley, Theresa M","middleInitial":"M","primaryEmail":"theresa.m.stanley@nasa.gov","publicEmail":true,"nacontact":false},{"contactId":390109,"canUserEdit":false,"firstName":"Richard","lastName":"Baldwin","fullName":"Richard S Baldwin","fullNameInverted":"Baldwin, Richard S","middleInitial":"S","primaryEmail":"richard.s.baldwin@nasa.gov","publicEmail":true,"nacontact":false}],"website":"","libraryItems":[],"transitions":[{"transitionId":66565,"projectId":9477,"partner":"Other","transitionDate":"2011-06-01","path":"Advanced From","relatedProjectId":8735,"relatedProject":{"acronym":"","projectId":8735,"title":"Mesoporous Silicon-Based Anodes for High Capacity, High Performance Li-ion Batteries","startTrl":1,"currentTrl":4,"endTrl":4,"benefits":"The new anodes will result in high performance Li-ion batteries suitable for electric vehicle propulsion and for use in portable consumer products such as cellular phones, portable power tools, cameras and laptop computers.
Principal NASA applications will include landers, rovers and Extravehicular activities (EVA). Coupled with a suitable electrolyte Li-Ion cells based on this anode will be suitable for space-related applications, in moon and other planetary habitats etc, requiring high specific energy rechargeable batteries with unique attributes such as non-flammability and sub-ambient temperature operation.","description":"A new high capacity anode composite based on mesoporous silicon is proposed. By virtue of a structure that resembles a pseudo one-dimensional phase, the active anode material will be able to accommodate significant volume changes expected upon alloying and de-alloying with lithium. The mesoporosity will be created without the aid of a surfactant template using a novel high volume synthetic process. The anode composite based on this material is designed to have a reversible Li-ion capacity exceeding 600 mAh/g or nearly twice that obtainable with graphite anodes; indeed much higher capacities could be practically attainable. Coupled with our advanced polymer electrolyte and a high voltage cathode, we expect a fully developed battery to have a specific energy of >150 Wh/Kg, and energy density of >300 Wh/l and the capability to produce >1000 deep charge/discharge cycles and thus makes it very desirable for space power applications of NASA. The work plan will include the materials synthesis, fabrication of electrode structures, evaluating rechargeability and cyclability of the anode, and reporting results.","startYear":2010,"startMonth":1,"endYear":2010,"endMonth":7,"statusDescription":"Completed","website":"","program":{"acronym":"SBIR/STTR","active":true,"description":"
The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.
The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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