Energies Cover May 8, 2018

HNEI Research Featured on Energies Cover

Research supported by the Office of Naval Research and conducted by HNEI researchers, led by Matthieu Dubarry, is featured on the Energies journal cover.  This research paper "Intrinsic Variability in the Degradation of a Batch of Commercial 18650 Lithium-Ion Cells" is included in the journal's May 2018 issue and is available at http://dx.doi.org/10.3390/en11051031.

Lithium-ion battery manufacturing is a multi-step process involving synthesis, mixing, casting, calendering, winding, soldering, packaging, wetting and sealing. Each step has a small intrinsic variability which contributes to initial cell-to-cell performance variations, but can also affect durability. This study quantified these impacts and determined that: (1) durability was not correlated with the initial cell-to-cell variations; and (2) cell-to-cell variations increased dramatically with cycling.

MKThink Interview May 8, 2018

HNEI's Work Regarding Net Zero Energy Buildings in Hawaii

Jim Maskrey, HNEI Assistant Specialist, spoke with our project partner, MKThink, about HNEI's research activities and work regarding net zero energy buildings in Hawai'i.  This project delivered the installation of three high efficiency, energy neutral research platforms in two schools in Hawai‘i.  The platforms are designed to maximize natural ventilation, minimize heat gain, utilize natural daylighting while providing a comforable interior environment.

Video Link: https://vimeo.com/268656392.
Additional project information: https://www.hnei.hawaii.edu/projects/energy-neutral-buildings-performance-evaluation.

Maui Energy Conference 2018 March 2, 2018

HNEI at the Maui Energy Conference 2018

HNEI Director, Richard Rocheleau, and faculty member Jennifer Potter are participating and speaking at this year's Maui Energy Conference + Exhibition on March 14-15.  Ms. Potter will be moderating the "Carbon and Energy Efficiency: What Is The Connection?" panel, while Dr. Rocheleau will be speaking in the moderated discussion "Is Hawaii’s 100% RPS Worth The Cost?"

The theme for this year's Maui Energy Conference is Decarbonization: A Business Opportunity for Innovative Communities.  The conference, which is sponsored by HNEI, will focus on exploring "possibilities including: voluntary and mandatory options for reducing carbon; what a decarbonized grid looks like; the utility business model best suited to reach carbon reduction goals; curtailing carbon emissions in the transportation sector; the role of agriculture in a carbon reduction strategy; and more."

HIDOE Thermal Comfort Portal January 25, 2018

HNEI Partners with HIDOE to Create Thermal Comfort Portal

The DOE Thermal Comfort Portal is a research tool developed for State of Hawaii Department of Education (HIDOE) to implement their heat abatement program: (http://hnei.hidoe-thermal-comfort.4dapt.com). The Thermal Comfort Portal as a research resource for microclimatic data across Hawaii as well as specific building performance of the public schools.  In addition to providing data for current users, the intent is to broaden the program participants to include the sustainable design community, who can contribute to solutions but who are currently outside of the specific scope of HIDOE heat abatement program.  Under this project, the Hawaii Natural Energy Institute (HNEI) is provide the HIDOE with the technical resources and expertise to support the delivery of energy and weather data that enables researchers, the community and design professionals to make data-driven decisions for designs and resource allocation.

This work and the portal allows HIDOE to 1) provide access to local weather data to help schools with short-term decisions related to weather, 2) provide community members access to data on local micro-climates at school campuses allowing for further study, 3) identify areas that have consistent heat issues for targeted thermal comfort improvements by providing relevant outdoor and indoor temperature readings, and 4) provide detailed information from classrooms that help architects and planners design heat abatement solutions to address the specific issues for particular buildings.

More Information:
HNEI Project Page: https://www.hnei.hawaii.edu/projects/hidoe-thermal-comfort-portal
Thermal Comfort Portal Website: http://hnei.hidoe-thermal-comfort.4dapt.com/
UH News Press Release: https://www.hawaii.edu/news/2018/02/05/hnei-hidoe-classroom-thermal-comf...
HIDOE Press Release: http://www.hawaiipublicschools.org/ConnectWithUs/MediaRoom/PressReleases...

WETS Device November 13, 2017

HNEI Faculty Speaks with PBS About Wave Energy

HNEI Specialist Patrick Cross spoke with PBS News Hour regarding HNEI's research in wave generated energy at the U.S. Navy's wave energy test site (WETS).  The interview overviews the wave energy conversion devices that are currently being tested at WETS.  This test site is the only wave energy testing site in the country connected to an electricity grid.  Additionally, many researchers note that if devices are able to start generating a meaningful amount of electricity, due to the greater consistancy of waves, wave energy could be a more reliable source than wind or solar energy.  The video interview and its transcript is available at https://www.pbs.org/newshour/show/scientists-work-to-harness-power-from-....

More information about the WETS can be found at https://www.hnei.hawaii.edu/projects/wave-energy-test-site-wets.

HNEI Posters April 30, 2017

HNEI Research Overview Posters

Two posters that overview HNEI's research efforts have been posted.  HNEI's current and past projects are highlighted in the analysis, testing, and evaluation poster, while our faculty research is featured on the research and development poster.  The poster are available to view and download from the Presentations page, with direct links below.

HNEI Posters: Research and Development | Analysis, Testing, and Evaluation

Maui Energy Conference March 22, 2017

HNEI Director & Faculty at the Maui Energy Conference

HNEI Director, Richard Rocheleau, and faculty members James "Jay" Griffin, Leon Roose, and Mark Glick are participating and speaking at this year's Maui Energy Conference on March 22-24.  They will be speaking in multiple panels regarding energy resilience and sustainability, recent HNEI-led grid projects and studies, and transportation innovations.

The theme for this year's Maui Energy Conference is All Things Energy: Pursuing New Opportunities for Electricity and Beyond.  The conference, which is sponsored by HNEI, will focus on "Hawaii’s transition to a clean energy economy is on its way. The focus of this year’s Maui Energy Conference explores new and innovative pathways to a vibrant and clean energy future."

February 3, 2017

HNEI Faculty Member, Dr. Trevor Morgan, Co-Authors Book

HNEI Assistant Researcher, Dr. Trevor Morgan, co-authored the book Solid Fuels and Heavy Hydrocarbon Liquids: Thermal Characterization and Analysis, Second Edition.

The publisher, Elsevier, states that this book "integrates the developments that have taken place since publication of the first edition in 2006.  This updated material includes new insights that help unify the thermochemical reactions of biomass and coal, as well as new developments in analytical techniques, including new applications in size exclusion chromatography, several mass spectrometric techniques, and new applications of nuclear magnetic spectroscopy to the characterization of heavy hydrocarbon liquids."

The book is available at https://www.elsevier.com/books/solid-fuels-and-heavy-hydrocarbon-liquids-thermal-characterization-and-analysis/kandiyoti/978-0-08-100784-6.

Springer Handbook February 3, 2017

HNEI’s HiSERF Featured in Springer Handbook of Electrochemical Energy

The recently published Springer Handbook of Electrochemical Energy featured a chapter entitled “Modern Fuel Cell Testing Laboratory” based on HNEI’s Hawaii Sustainable Energy Research Facility.  The chapter describes the laboratory’s background and evolution, safety and test stations, fuel cell components  and assembly, and testing and diagnostic techniques.  Contributors included Jean St. Pierre, Michael Angelo, Keith Bethune, Jack Huizingh, Tatyana Reshetenko, Mebs Virji, and Yunfeng Zhai.

Google Books states that "this comprehensive handbook covers all fundamentals of electrochemistry for contemporary applications. It provides a rich presentation of related topics of electrochemistry with a clear focus on energy technologies. It covers all aspects of electrochemistry starting with theoretical concepts and basic laws of thermodynamics, non-equilibrium thermodynamics and multiscale modeling. It further gathers the basic experimental methods such as potentiometry, reference electrodes, ion-sensitive electrodes, voltammetry and amperometry. The contents cover subjects related to mass transport, the electric double layer, ohmic losses and experimentation affecting electrochemical reactions. These aspects of electrochemistry are especially examined in view of specific energy technologies including batteries, polymer electrolyte and biological fuel cells, electrochemical capacitors, electrochemical hydrogen production and photoelectrochemistry."

The handbook is available at http://www.springer.com/us/book/9783662466568.

Frog Rendering Image November 10, 2016

Net Zero Buildings Open at UH Manoa

Two net zero buildings installed for the College of Education by the Hawaii Natural Energy Institute and funded by the Office of Naval Research, opened their doors to the public in celebration of the FROG 1 and 2 grand opening on November 4. These FROG (Flexible Response to Ongoing Growth) classrooms will serve as models of energy efficient classroom design, minimizing energy use in a mixed-mode environment while using self-generated, renewable energy to offset energy consumption. Real-time building performance is displayed to users via a touch-screen dashboard, and the data is downloadable and can be integrated into STEM curricula.

Point of Contact: Jim Maskrey
More information: UH Press Release | UH Video Blog