![]() Also, cumulative energy demand for PEC water splitting is estimated to be four to 20 times higher than for hydrogen production with renewable energy and electrolyzers.ĭespite this gulf in cost efficacy between the approaches, the research team at HZB Institute is testing other potential benefits of PEC. Hydrogen fuel from PEC systems costs about $10 per kg, about six times more than “blue” hydrogen from fossil methane steam reforming at $1.50 per kg. And, since the densities range ten to 100 times lower with this approach, more abundant and inexpensive materials can be used as catalysts, said the researchers.ĭespite these promising elements of the PEC approach, techno-economic analysis and net energy analysis have shown that it is not yet competitive with the conventional green hydrogen production approach. The heat from the direct sunlight can be used to further accelerate reactions. Though they are significantly less efficient than their indirect green hydrogen counterparts, PEC cells have some advantages. Today, the best PEC cells are able to achieve efficiencies near 10% and are made of low-cost and relatively stable metal oxide absorbers. The photoelectrodes are coupled with catalyst materials, creating the active component in a photoelectrochemical (PEC) cell. The team is developing photoelectrodes that convert sunlight into electrical energy, are stable in aqueous solutions, and catalytically split water into hydrogen. The approach is outlined in a Nature Communications article. These electrolyzers have reached efficiencies of around 30%.Ī research team at the Helmholtz-Zentrum Berlin (HZB) Institute for Solar Fuels is investigating another pathway to emissions-free hydrogen production through a process they call the “direct” approach. Production of green hydrogen typically takes the “indirect” approach using solar and wind to power electrolyzers. While renewables-charged battery-powered vehicles and power plants are expected to make up a large share of the energy transition, green hydrogen has garnered interest for heavy trucking and industrial use cases due it its ability to dispatch high amounts of power. She resides in Oakland with her husband and young adult son.“Green” hydrogen is the production of hydrogen fuels using emissions free generations sources like solar and wind energy. Jenée is a native New Yorker with Caribbean and Southern roots. She has vibrant Christ centered roots and has been uplifted and influenced by other sacred paths. Jenee is a trained and licensed minister. She is a keynote speaker, workshop curator, coach, and consultant with Sankofa Holistic Counseling Services in Oakland, and on the advisory board of Search Inside Yourself Leadership Institute where she received her certification to teach mindfulness globally. ![]() She is a HeartMath certified trainer, Emotional Emancipation Circles Facilitator (Association of Black Psychologists) and certified to teach Femme! A meditative movement and wellness modality for women. Jenée Johnson is a professional co-active coach and certified trainer and practitioner in mindfulness and emotional intelligence based on the latest neuroscience. The program promotes healing and sovereignty for Black people and is curated for those on human missions of all kinds including community service, social justice, and entrepreneurship.įor 15 years, she served as the Director of the San Francisco Black Infant Health Program, a program which provides direct service to Black pregnant women and new mothers to address the health disparities in infant and maternal mortality. The Right Within Experience expands the scope of mindful practice to acknowledge its ancient African lineage and increase access and relevance to people of African ancestry. These are the human rights and exalted emotions that are eroded in Black lives through the consistent exposure to the trauma of racism. Jenée is the Founder and Curator of The Right Within Experience, a mindfulness immersion program that reclaims humanity, joy, and wellbeing for people of African ancestry through mindfulness practices. Her work has been featured in various publications, including Mindful Magazine-where she is a regular contributor and where she has been recognized as a leader and agent of change in the mindfulness movement. Her goal is to improve the organization’s ability to manage change, stay resilient, inspire growth, and become a mindful culture that leads and serves with compassion.Īt her core Jenée is a champion and accelerator of human flourishing. Jenée Johnson, Program Innovation Leader, Mindfulness, Trauma and Racial Healing, pioneered and leads the unique effort to bring mindfulness into public health practices and programs though the Trauma Informed Systems of Care Initiative in the San Francisco Department of Public Health. JENÉE JOHNSON Mindful Movement Builder and Thought Leader “Surviving is important.
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